Question

if one root of quadratic equation kx²-3x-1=0is ½,then find the value of k

Answer 1

put x= 1/2 in kx^2 - 3x -1 = 0

k/4 - 3/2 - 1= 0

k/4 - 5/2 = 0

k/2 =5

k = 10

⚡⚡⚡⚡⚡Dhruv⚡⚡⚡

Answer 2

Hey mate
Your answer is in the image