Find the value of k if the quadratic eqation 2x^2+kx+5 =0 has equal roots
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b^2-4ac=0
k^2-4x2x5=0
k^2-40=0
k^2=40
k=under root 40
k=2 under root 10
i hope it is clear to u.......
k^2-4x2x5=0
k^2-40=0
k^2=40
k=under root 40
k=2 under root 10
i hope it is clear to u.......
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