Question

Factorise : 24x^3 + 81y^3​

Answer 1

Answer:

hello your answer is:

Step-by-step explanation:

24x∧3 + 81y∧3

3 ( 8x∧3 + 27y∧3 )               { Taking 3 common }

3 ( (2x)∧3 + (3y)∧3 )

now we know that a∧3 + b∧3 = ( a+b ) ( a∧2 - ab + b∧2 )

so,

3 ( (2x + 3y) ( 4x∧2 - 6xy + 9y∧2 ) )

so this is your answer:         3 (2x + 3y) ( 4x∧2 - 6xy + 9y∧2 )

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