find the value(s) of k which one root of the quadratic equation x2+5kx+16=0 has real and equal roots??
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x²+5kx+16= 0
x²+2.x.4+4²=0
5kx= 2.4x
k= 8/5
correct answer is here
x²+2.x.4+4²=0
5kx= 2.4x
k= 8/5
correct answer is here
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