Math, asked by Chuksman81, 1 year ago

If the equation X²+3(k+3)x-9/2x=0 has equal roots, find the possible value of k

Answers

Answered by roman4086
1
X2+3kx+9x-9/2x=0
X2+3kx+9x-9/2x=0
X2+3kx+9/2x=0
x2+(3k+9/2)x=0

and roots are equal only when D=0
here a=1 b=(3k+9/2) and c=o
b2-4ac=0
(3k+9/2)^2=0
k=9/6
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