If one of its zero of …
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Sia ? 5 years, 5 months ago
Let, the two zeroes of the polynomial f(x) = 4x2 - 8kx - 9 be α and -α.
Comparing f(x) = 4x2 - 8kx - 9 with ax2+bx+c we get
a = 4; b = -8k and c = -9.
Sum of the zeroes = α + (-α) ={tex}-\frac ba=\;-\frac{-8k}4 {/tex}
0 = 2k
k = 0
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