Factorise:
Xcube+8ycube
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Answered by
3
Answer:
x³ + 8y³ = (x+2y)(x²-2xy+4y²)
Step-by-step explanation:
x³ + 8y³
= x³ + (2y)³
= (x+2y)[x²-x×2y + (2y)²]
/* By algebraic identity:
a³+b³ = (a+b)(a²-ab+b² ) */
= (x+2y)(x²-2xy+4y²)
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Answered by
2
Answer:
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Step-by-step explanation:
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