Question

Find the value of k, for which the equation kx^2-kx+1=0 is having equal roots?

Answer 1

Given equation :  

kx² - kx + 1 = 0  

For equal roots :  

D = 0  

k² - 4( k ) = 0  

k² = 4k  

k = 4

Answer 2

for k=4 roots of the given equation are equal..

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