Q. 265.0( 5 Votes )

# Find the value of k so that the zeroes of the quadratic polynomial 3x^{2} – k x + 14 are in the ratio 7:6.

Answer :

Let the ratio be in a

So, the zeroes are 7a & 6a.

From given polynomial, 3x ^{2} – kx + 14

k = 39 a

⇒ 3a^{2} = 1/3

⇒ a = 1/3

So,

k = 13

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