find the cofficient of x² in the expansion of (1+3x)²/(1-4x)²​

Question

find the cofficient of x² in the expansion of (1+3x)²/(1-4x)²​

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Abigail 1 week 2021-09-10T14:26:21+00:00 2 Answers 0 views 0

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    0
    2021-09-10T14:27:39+00:00

    Answer:

    the answer is 3 and 4

    Step-by-step explanation:

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    0
    2021-09-10T14:28:10+00:00

    the answer is three and four.

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18:9+8+9*3-7:3-1*13 = ? ( )