Question

Verify: (i) x3+y3=(x+y)(x2–xy+y2) (ii) x3–y3=(x–y)(x2+xy+y2)

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

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Step-by-step explanation:

(i) rhs = (x+y)(x2–xy+y2)

            = x³-x²y+xy²+x²y-xy²+y³

= x³+y³

this is equal to LHS

Hence Proved or verified

(ii)RHS = (x-y) (x2 + xy + y2)

= x+ x²y + xy² - x²y - xy² - y³

= x3 - y3

this is equal to LHS

Hence Proved or verified