Question

If a,b are zeroes of polynomial p(x)=5x^2+5x+1 then find the value of a^–1+b^–1​

Answer 1

Step-by-step explanation:

given,

p(x) = 5x^2+5x+1

a,b are the zeros of the polynomial

a+b = -5/5

a+b = -1

ab = 1/5

a^-1+b^-1 = 1/a+1/b

1/a+1/b = b+a/ab

= -1/(1/5)

= (-1)(5)/1

= -5

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