Factorise x3 +3x2y+3xy2+y3
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Answer:
(x+y)^3
Step-by-step explanation:
This is of the form of (a+b)^3
x^3+3x^2+3xy^2+y^3
or, (x) ^3 + (y) ^3 + 3xy ×( x+y)
or, ( x+ y) ^3
This is from the formula
(a+b) ^3 = (a) ^3 + (b)^3 +3ab × (a+b)