(v) The value of (x + y) (x2 - xy + y2) is :
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= x(x²-xy+y²) +y (x²-xy+y²)
= x³ - x²y + xy² +x²y - xy² + y³.
(*adding and subtracting like terms*)
( *-x²y and +x²y get cancelled, +xy² and -xy² get cancelled*)
= x³ + y³.
hope it helps. what I've written in third and fourth line with Asterix is just for your understanding. please mark as brainliest
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