For what of k does the quadratic equation 9x^2+8kx+16 have equal roots
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_________________________________The given quadratic equation is
9x²+8kx+16=0
since the roots are equal .
D= 0
b²-4ac=0
(8k)²-4×9×16=0
(8k)²=576
8k=√576
8k=24
k=24/8
k=3
_________________________________
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9x²+8kx+16=0
since the roots are equal .
D= 0
b²-4ac=0
(8k)²-4×9×16=0
(8k)²=576
8k=√576
8k=24
k=24/8
k=3
_________________________________
thanks
please mark me brainliest
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plese mark me brainliest
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