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(a+b)2 =a2+2ab+b2

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(a+b)2 =a2+2ab+b2

    • Posted by Nitesh Tripathi 7 years, 6 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Soumili Bhattachariee 7 years, 6 months ago

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

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