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9. Verify: (i) x + y = (x + y) (x2 - xy + y²)
Answers
Answered by
0
Step-by-step explanation:
RHS
= (x + y) (x2 - xy + y²)
= x(x2 - xy + y²) + y(x2 - xy + y²)
=x^3-x^2y+xy^2 + x^2y-xy^2+y^3
=x^3 + y^3
hence verified
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