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Expand form of (3a+4b)3

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Expand form of (3a+4b)3

    • Posted by Ashmit Gardia 6 years, 5 months ago

    CBSE > Class 09 > Mathematics
    • 3 answers

    Sarthak Shavarn 6 years, 5 months ago

    Abe nikal yaha se

    0Thank You

    Mahi Singh 6 years, 5 months ago

    (3a)(3a)(3a) +(4b)(4b)(4b) +3(3a)(4b)(3a+4b) 27a³+64b³+108a²b+144ab²

    0Thank You

    Yogita Ingle 6 years, 5 months ago

    Using the identity (a + b)3 = a3 + b3 + 3a2b + 3ab2 , we have  , we have
    = (3a)3 + (4b)3 + 3 (3a)2(4b) + 3(3a) (4b)2
    = 27a3 + 64b3 + 108a2b + 144ab2

    which is the required expanded form.

    0Thank You

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