1.

8a3+27b3+36a2b+54ab2 factorise

Answer»

we can write this in the FORM of( a+B )3...

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solution:

8a3+27b3+36a2b+54ab2

=(2a)3+(3 b)3+3.4a2.3+3.2a.9b2

= .{(a+b)3=a3+b3+3a2b+3ab2}

=(2a+3b)3....ans...



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