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Let u and v be the solutions to 3x^2 + 5x + 7 = 2x^2 + 11x - 6. Find u/v^2 + v/u^2.

 May 20, 2024
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Let's first find u and v. Carrying all terms to one side and combining like terms, we get x26x+13=0

 

Using the quadratic equation, we get x=3+2i,x=32i, meaning we have u=32i and v=3+2i.

 

Plugging these values into u/v2+v/u2, we get 32i(3+2i)2+3+2i(32i)2

 

Simplifying the expression gets us the fraction 18169

 

Thanks! :)

 May 20, 2024

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