Question

write the coefficient of x in (x+2)²​

Answer 1

Step-by-step explanation:

(x+2)² [by applying whole square formula]

x²+4x+4

so, coefficient of x is 4

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Answer 2

Answer:

4..

Step-by-step explanation:

On expansion,

x2 + 2(x)(2) + 4

= x2 +4x+4

Hence 4 is coeff of x