{
"query": {
"display": "derivative of $$y=\\frac{7\\ln\\left(x\\right)}{3x+4}$$",
"symbolab_question": "PRE_CALC#derivative y=\\frac{7\\ln(x)}{3x+4}"
},
"solution": {
"level": "PERFORMED",
"subject": "Calculus",
"topic": "Derivatives",
"subTopic": "Derivatives",
"default": "\\frac{7(3x+4-3x\\ln(x))}{x(3x+4)^{2}}",
"meta": {
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},
"steps": {
"type": "interim",
"title": "$$\\frac{d}{dx}\\left(\\frac{7\\ln\\left(x\\right)}{3x+4}\\right)=\\frac{7\\left(3x+4-3x\\ln\\left(x\\right)\\right)}{x\\left(3x+4\\right)^{2}}$$",
"input": "\\frac{d}{dx}\\left(\\frac{7\\ln\\left(x\\right)}{3x+4}\\right)",
"steps": [
{
"type": "step",
"primary": "Take the constant out: $$\\left(a{\\cdot}f\\right)'=a{\\cdot}f'$$",
"result": "=7\\frac{d}{dx}\\left(\\frac{\\ln\\left(x\\right)}{3x+4}\\right)"
},
{
"type": "step",
"primary": "Apply the Quotient Rule: $$\\left(\\frac{f}{g}\\right)'=\\frac{f'{\\cdot}g-g'{\\cdot}f}{g^{2}}$$",
"result": "=7\\cdot\\:\\frac{\\frac{d}{dx}\\left(\\ln\\left(x\\right)\\right)\\left(3x+4\\right)-\\frac{d}{dx}\\left(3x+4\\right)\\ln\\left(x\\right)}{\\left(3x+4\\right)^{2}}"
},
{
"type": "interim",
"title": "$$\\frac{d}{dx}\\left(\\ln\\left(x\\right)\\right)=\\frac{1}{x}$$",
"input": "\\frac{d}{dx}\\left(\\ln\\left(x\\right)\\right)",
"steps": [
{
"type": "step",
"primary": "Apply the common derivative: $$\\frac{d}{dx}\\left(\\ln\\left(x\\right)\\right)=\\frac{1}{x}$$",
"result": "=\\frac{1}{x}"
}
],
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},
{
"type": "interim",
"title": "$$\\frac{d}{dx}\\left(3x+4\\right)=3$$",
"input": "\\frac{d}{dx}\\left(3x+4\\right)",
"steps": [
{
"type": "step",
"primary": "Apply the Sum/Difference Rule: $$\\left(f{\\pm}g\\right)'=f'{\\pm}g'$$",
"result": "=\\frac{d}{dx}\\left(3x\\right)+\\frac{d}{dx}\\left(4\\right)"
},
{
"type": "interim",
"title": "$$\\frac{d}{dx}\\left(3x\\right)=3$$",
"input": "\\frac{d}{dx}\\left(3x\\right)",
"steps": [
{
"type": "step",
"primary": "Take the constant out: $$\\left(a{\\cdot}f\\right)'=a{\\cdot}f'$$",
"result": "=3\\frac{dx}{dx}"
},
{
"type": "step",
"primary": "Apply the common derivative: $$\\frac{dx}{dx}=1$$",
"result": "=3\\cdot\\:1"
},
{
"type": "step",
"primary": "Simplify",
"result": "=3",
"meta": {
"solvingClass": "Solver"
}
}
],
"meta": {
"solvingClass": "Derivatives",
"interimType": "Derivatives",
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}
},
{
"type": "interim",
"title": "$$\\frac{d}{dx}\\left(4\\right)=0$$",
"input": "\\frac{d}{dx}\\left(4\\right)",
"steps": [
{
"type": "step",
"primary": "Derivative of a constant: $$\\frac{d}{dx}\\left({a}\\right)=0$$",
"result": "=0"
}
],
"meta": {
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},
{
"type": "step",
"result": "=3+0"
},
{
"type": "step",
"primary": "Simplify",
"result": "=3",
"meta": {
"solvingClass": "Solver"
}
}
],
"meta": {
"solvingClass": "Derivatives",
"interimType": "Derivatives"
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},
{
"type": "step",
"result": "=7\\cdot\\:\\frac{\\frac{1}{x}\\left(3x+4\\right)-3\\ln\\left(x\\right)}{\\left(3x+4\\right)^{2}}"
},
{
"type": "interim",
"title": "Simplify $$7\\cdot\\:\\frac{\\frac{1}{x}\\left(3x+4\\right)-3\\ln\\left(x\\right)}{\\left(3x+4\\right)^{2}}:{\\quad}\\frac{7\\left(3x+4-3x\\ln\\left(x\\right)\\right)}{x\\left(3x+4\\right)^{2}}$$",
"input": "7\\cdot\\:\\frac{\\frac{1}{x}\\left(3x+4\\right)-3\\ln\\left(x\\right)}{\\left(3x+4\\right)^{2}}",
"result": "=\\frac{7\\left(3x+4-3x\\ln\\left(x\\right)\\right)}{x\\left(3x+4\\right)^{2}}",
"steps": [
{
"type": "interim",
"title": "$$\\frac{\\frac{1}{x}\\left(3x+4\\right)-3\\ln\\left(x\\right)}{\\left(3x+4\\right)^{2}}=\\frac{3x+4-3x\\ln\\left(x\\right)}{x\\left(3x+4\\right)^{2}}$$",
"input": "\\frac{\\frac{1}{x}\\left(3x+4\\right)-3\\ln\\left(x\\right)}{\\left(3x+4\\right)^{2}}",
"steps": [
{
"type": "interim",
"title": "$$\\frac{1}{x}\\left(3x+4\\right)=\\frac{3x+4}{x}$$",
"input": "\\frac{1}{x}\\left(3x+4\\right)",
"steps": [
{
"type": "step",
"primary": "Multiply fractions: $$a\\cdot\\frac{b}{c}=\\frac{a\\:\\cdot\\:b}{c}$$",
"result": "=\\frac{1\\cdot\\:\\left(3x+4\\right)}{x}"
},
{
"type": "interim",
"title": "$$1\\cdot\\:\\left(3x+4\\right)=3x+4$$",
"input": "1\\cdot\\:\\left(3x+4\\right)",
"steps": [
{
"type": "step",
"primary": "Multiply: $$1\\cdot\\:\\left(3x+4\\right)=\\left(3x+4\\right)$$",
"result": "=\\left(3x+4\\right)"
},
{
"type": "step",
"primary": "Remove parentheses: $$\\left(a\\right)=a$$",
"result": "=3x+4"
}
],
"meta": {
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}
},
{
"type": "step",
"result": "=\\frac{3x+4}{x}"
}
],
"meta": {
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"interimType": "Solver",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7MKkUdkEsyxF0d7l2E0e8Xfj+BuNBvhFYqkqGdBMjytXMwViaLUXkeD+JukROhWdjNVfrTb5th/YIkpZ0MsMdQz/L0MoYg+CUn6oyL3EO7YpLkx2OTaWRbYwlV2Ufy4eI03Rw7S3QxQG+3JUiEZJKl2vbp22yN0+LgmMk2HAaaus="
}
},
{
"type": "step",
"result": "=\\frac{\\frac{3x+4}{x}-3\\ln\\left(x\\right)}{\\left(3x+4\\right)^{2}}"
},
{
"type": "interim",
"title": "Join $$\\frac{3x+4}{x}-3\\ln\\left(x\\right):{\\quad}\\frac{3x+4-3x\\ln\\left(x\\right)}{x}$$",
"input": "\\frac{3x+4}{x}-3\\ln\\left(x\\right)",
"result": "=\\frac{\\frac{3x+4-3x\\ln\\left(x\\right)}{x}}{\\left(3x+4\\right)^{2}}",
"steps": [
{
"type": "step",
"primary": "Convert element to fraction: $$3\\ln\\left(x\\right)=\\frac{3\\ln\\left(x\\right)x}{x}$$",
"result": "=\\frac{3x+4}{x}-\\frac{3\\ln\\left(x\\right)x}{x}"
},
{
"type": "step",
"primary": "Since the denominators are equal, combine the fractions: $$\\frac{a}{c}\\pm\\frac{b}{c}=\\frac{a\\pm\\:b}{c}$$",
"result": "=\\frac{3x+4-3\\ln\\left(x\\right)x}{x}"
}
],
"meta": {
"interimType": "Algebraic Manipulation Join Concise Title 1Eq"
}
},
{
"type": "step",
"primary": "Apply the fraction rule: $$\\frac{\\frac{b}{c}}{a}=\\frac{b}{c\\:\\cdot\\:a}$$",
"result": "=\\frac{3x+4-3\\ln\\left(x\\right)x}{x\\left(3x+4\\right)^{2}}"
}
],
"meta": {
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"interimType": "Solver",
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},
{
"type": "step",
"result": "=7\\cdot\\:\\frac{3x-3x\\ln\\left(x\\right)+4}{x\\left(3x+4\\right)^{2}}"
},
{
"type": "step",
"primary": "Multiply fractions: $$a\\cdot\\frac{b}{c}=\\frac{a\\:\\cdot\\:b}{c}$$",
"result": "=\\frac{\\left(3x+4-3\\ln\\left(x\\right)x\\right)\\cdot\\:7}{x\\left(3x+4\\right)^{2}}"
}
],
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"practiceLink": "/practice/derivatives-practice",
"practiceTopic": "Derivatives"
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"evalFormula": "y=\\frac{7(3x+4-3x\\ln(x))}{x(3x+4)^{2}}",
"displayFormula": "y=\\frac{7(3x+4-3x\\ln(x))}{x(3x+4)^{2}}",
"derivativeFormula": "-\\frac{7(27x^{2}-18x^{2}\\ln(x)+48x+16)}{x^{2}(3x+4)^{3}}",
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Solution
derivative of
Solution
Solution steps
Take the constant out:
Apply the Quotient Rule:
Simplify
Graph
Popular Examples
limit as x approaches 1/3 of 3x^3+2x^2normal of y= x/(x^2+1),\at x=-1normal of (\partial)/(\partial x)(2sqrt(x*y)-1/2 x^2)f(t)=6sin(t)integral from-1 to 3 of x/(x^2+4)
Frequently Asked Questions (FAQ)
What is the derivative of y=(7ln(x))/(3x+4) ?
The derivative of y=(7ln(x))/(3x+4) is (7(3x+4-3xln(x)))/(x(3x+4)^2)What is the first derivative of y=(7ln(x))/(3x+4) ?
The first derivative of y=(7ln(x))/(3x+4) is (7(3x+4-3xln(x)))/(x(3x+4)^2)