Question

if (x-3) is a factor of x² - kx -2 then the value of k is (a) : 5/3​

Answer 1

Step-by-step explanation:

x-3 is a factor put x= 3 in the given equation

3^2 - k(3) - 2 = 0

9 - 3k - 2 = 0

7 = 3k

k = 7/3