Q. 23 G5.0( 2 Votes )
If one of the roots of kx2 — 7x + 3 = 0 is 3, then k =
∵ 3 is a root
⇒ k(3)2 – 7(3) + 3 = 0
⇒ 9k – 21 + 3 = 0
⇒ 9k = 18
⇒ k = 2
(A) doesn’t match the solution.
(B) doesn’t match the solution.
(C) doesn’t match the solution.
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