The coefficient of x in the expansion of (2x+1)^2
Answers
Answered by
1
Answer:
4
Explanation:
(2x+1)^2 = 4x^2 + 4x + 1
Answered by
0
Answer:
4
Explanation:
(2x+1)^2= (a+b)^2= a^2+2ab+b^2
i.e (2x)^2+2(2x)(1) +(1)^2
= 4x^2 + 4x + 1
thereby, the coefficient of x here is
=4
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