What is the inverse of sqrt(30-4x-2x^2) ?

The inverse of sqrt(30-4x-2x^2) is -(4+sqrt(-8x^2+256))/4 ,-(4-sqrt(-8x^2+256))/4

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inverse of sqrt(30-4x-2x^2)

inverse

30 - 4 x - 2 x^{2}

- \frac{4 + - 8 x ^{2} + 256}{4}, - \frac{4 - - 8 x ^{2} + 256}{4}

Solution steps

y = 30 - 4 x - 2 x^{2}

Replace

x

with

y

x = 30 - 4 y - 2 y^{2}

Solve for

y, x = 30 - 4 y - 2 y^{2}

- \frac{4 + - 8 x ^{2} + 256}{4}, - \frac{4 - - 8 x ^{2} + 256}{4}

What is the inverse of sqrt(30-4x-2x^2) ?
The inverse of sqrt(30-4x-2x^2) is -(4+sqrt(-8x^2+256))/4 ,-(4-sqrt(-8x^2+256))/4