Question

If 2 and -4 are zeroes of the polynomial f(x)=x² ax-8. then find the value of a

Answer 1

Answer:

2x3 + mx2 - 13x + n = 0 has three roots. We have two roots; let the third root be a. Product of the three root is This gives the third root as -5/2 . Therefore, Read more on Sarthaks.com - https://www.sarthaks.com/563900/if-2-3-are-roots-of-2x-2-mx-2-13x-n-0-then-the-values-of-m-and-n