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Factorise 8a3 +√27b3. (The 3 after …

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Factorise 8a3 +√27b3. (The 3 after a and b are cubes)

    • Posted by Shitij Vinu 8 years, 3 months ago

    CBSE > Class 09 > Mathematics
    • 2 answers

    Hirtic Selvavinayagam 7 years, 1 month ago

    u r wrong, it is root 27

    0Thank You

    Rajeev Malhotra 8 years, 3 months ago

    Your question is wrong. The correct question is 8a3 +27 b3.

    8a3 + 27 b3 = (2a)3 + (3b)3 = (2a +3b)(4a2-6ab +9b2)

     

    4Thank You

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