Write the coefficient of x2 in each of the following:
i. 2+x2+x
ii. 2−x2+x3
iii.
π
2
x2+x
iv.
√
2
x−1
Write the coefficient of x2 in each of the following:
i. 2+x2+x
ii. 2−x2+x3
iii.
π
2
x2+x
iv.
√
2
x−1

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