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Factorise: (i) 3x^(7)y -81x^(4)y^(4) (...

Factorise: (i) `3x^(7)y -81x^(4)y^(4)`
(ii) `a^(3) + 0.064`

Text Solution

Verified by Experts

The correct Answer is:
(i) `3x^(4)y(x-3y)(x^(2) + 9y^(2) + 3xy)`
(ii) `(a+0.4)(a^(2) + 0.16 - 0.4 a)`
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