Question

if 2 is a zero of polynomial f(x)=ax2-3(a-1)x-1 then find the value of k​

Answer 1

$\large{\underline{\underline{\mathfrak{\green{\sf{Given\:polynomial:-}}}}}}$.

✴$\red{\:f(x)\:=\:ax^2-3(a-1)x-1}$.

$\large{\underline{\underline{\mathfrak{\green{\sf{Find\:Here:-}}}}}}$.

✴$\red{\:Value\:of\:k}$.

➡If 2, is a Zero of polynomial Given Equations,

So, Keep x = 2 , this equations

$\implies\:f(2)=0=a2^2-3(a-1)*2-1$.

$\implies\:4a-6a+6-1\:=\:0$.

$\implies\:-2a\:=\:-5$.

$\implies\:a\:=\frac{-5}{-2}$.

$\implies\:a\:=\frac{5}{2}$.

__________________

Answer 2

Answer:

hope it's help you

@@@@@