find the volume of K for which one root of the quadratic equation kx square minus 14 x + 8 = 0 is 6 times the other
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priyansh01kp:
niks you have made mistake in last second step. Look very carefull if you had not cancelled the power of k then k will have 2 values that are 3 and 0 both. Not just only 3 is the single value of k.
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Given 2x2 + kx + 3 = 0 has equal roots Hence b2 – 4ac = 0 That is (k)2 – 4(2)(3) = 0 k2 – 24 = 0 k2 = 24∴ k = ± 2√6
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