find the value of K , in quadratic equation 9x2-Kx+16=0 if roots are equal
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Answer:
9x2-kx+16 =0
On comparing with ax2 + bx+c =0
a= 9, b= -k and c= 16
D = 0
formula -
b2 -4ac= 0
(-k)2 -4(9)(16) = 0
= k2 - 576= 0
= k = √576
= k = 24
I hope it helps you
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