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6 January, 01:17

Use Pascal's Triangle to determine the second term of the expansion of (x + 2) ^4.

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  1. 6 January, 01:19
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    Answer: 10x³

    Step-by-step explanation:

    n=0 1

    n=1 1 2 1

    n=2 1 3 3 1

    n=3 1 4 6 4 1

    n=4 1 5 10 10 5 1

    The second term of the expansion is: 5 (a) ³ (b)

    = 5 (x) ³ (2)

    = 10x³
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