Question

with out actually finding the zeroes of polynomial fx=3(x2-1)+2x-5 find sum and product of zeroes.

Answer 1

Hey mate !!

Here's your answer !!

Refer to the attachment !!

Hope it helps !!

Cheers !!

Answer 2

At first we write the polynomial as a equation by equating f(x) =0
That is 3(x^2-1)+2x-5=0
x^2+2/3x-8/3=0
So sum of the roots are = - 2/3
And product of the roots =-8/3