Q. 265.0( 5 Votes )
Find the value of k so that the zeroes of the quadratic polynomial 3x2 – k x + 14 are in the ratio 7:6.
Let the ratio be in a
So, the zeroes are 7a & 6a.
From given polynomial, 3x 2 – kx + 14
k = 39 a
⇒ 3a2 = 1/3
⇒ a = 1/3
k = 13
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