Question

find the value of k for which the equation 2 X square + kx + 3 = 0 has equal roots.

Answer 1

hi mate

we have to let x=1

2xsquare+kx+k=0

L.H.S

2×2×1×1+k×1+k=0

4+k+k=0

2k=-4

k= -4/2

k= -2

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