Question

If root of 4x^2-3kx-2=0 is 3 find the valu of k

Answer 1

Putting X = 3
4×9-9k-2 = 0
36-2=9k
34 =9k
k = 34/9
Here is Your Answer

Answer 2

If root of 4x²-3kx-2=0

then, put x = 3

=> 4(3)²-3k(3)-2 = 0

=> 36-9k-2 = 0

=> 9k = 34

=> k = 34/9