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Popular Algebra >

Solve for r A=pir^2

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Solution

solve for r,A=pir2

Solution

NoSolution
Solution steps
A=pir2
Substitute r=x+yiA=pi(x+yi)2
Expand pi(x+yi)2:−2pxy+ip(x2−y2)
A=−2pxy+ip(x2−y2)
Rewrite A in standard complex form: A+0iA+0i=−2pxy+ip(x2−y2)
Complex numbers can be equal only if their real and imaginary parts are equalRewrite as system of equations:[A=−2pxy0=px2−py2​]
[A=−2pxy0=px2−py2​]:NoSolution
Substitute back r=x+yiNoSolution

Popular Examples

Factor x^3-9Solve for b2 A=1/2h(b_1+b_2)Solve for x e^( natural log of x^2)-16=0Solve for r V=1/3pir^2hSolve for t - natural log of 12=-(( natural log of 2)/5.1)t

Frequently Asked Questions (FAQ)

  • What is the answer to solvefor r,A=pir^2 ?

    The answer to solvefor r,A=pir^2 is No Solution

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