Factorise a^2+3b^2+4c^2+2root3ab+4root3bc+4ac

Question

Factorise a^2+3b^2+4c^2+2root3ab+4root3bc+4ac

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Melody 2 weeks 2021-11-19T18:55:58+00:00 1 Answer 0 views 0

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    2021-11-19T18:56:59+00:00

    Answer:

    A^2+4ab+3b^2

    =a^2+4ab+4b^2-b^2

    =(a+2b)^2-b^2

    =(a+2b+b)(a+2b-b) [a^2-b^2=(a+b)(a-b)]

    =(a+3b)(a+b) Answer.

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