Question

If alpha and beta are the zeroes of the quadrilateral polynomial p(y)=5y2-7y+1. Find the value of the 1/alpha+1/beta.

Answer 1

Hi let a is alpha and b is beta

Now a+b=-(-7)/5

ab=1/5

Now 1/a+1/b =. a+b/ab. Take lcm

7/5*5/1=7

Hope it helps

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