Question

prove that : x3 +y3=(X+y)(x2 -xy+y2) NCERT 9th​

Answer 1

Answer:

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Answer 2

Solution:

To prove : x³+y³ = (x+y)(x²-xy+y²)

Proof : Taking R.H.S.,

= (x+y)(x²-xy+y²)

= x³ - x²y + xy² + x²y - xy² + y³

= x³+y³ = R.H.S.

Hence proved

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