Question

If one of the zeroes of the polynomial () = 2

2 − 8 − is 5

2

, then find the

value of m​

Answer 1

p(x)=5x2+13x−a

Here, a=5,b=13 & c=−a

Let, the zeroes  are α,α1

Product of zeroes (α×α1)=ac

⟹1=5−a

⟹5=−a

∴a=−5