Q. 23 C5.0( 2 Votes )
If x = 2 is a root of the equation x2 — 4x + a = 0, then a =
∵ 2 is a root
⇒ (2)2 – 4(2) + a = 0
⇒ 4 – 8 + a = 0
⇒ a = 4
(A) doesn’t match the solution.
(B) doesn’t match the solution.
(C) doesn’t match the solution.
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