Question

if equation 9x2 + 6kx + 4 has two equal roots, then K will be?​

Answer 1

if the roots are equal then b2-4ac=0

= (6k)2-4*9*4=0

= 36k-144=0

= 36k=144

= k=144/36

= k = 4

Answer 2

Here is your answer

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