Question

2. Write factors of a - b.
B. Write the coefficient of x in the expansion of (x + 3)3
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Answer 1

Solution:

i )Factors of (a-b) is 1 and (a-b).

ii) (x+3)³ =x³+9x²+27x+27

Coefficient of x =27

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Answer 2

The coefficient of x is 3