Ace2004
Ace2004
25-05-2018
Mathematics
contestada
verify:x³+Y³=(x+y)(x²-xy+y²)
Respuesta :
Aysha1311
Aysha1311
25-05-2018
RHS-
(x+y)(x²-xy+y²)
=x(x²-xy+y²)+y(x²-xy+y²)
=x³-x²y+xy²+x²y-xy²+y³
(CANCEL THE POSSIBLE TERMS)
=x³+y³
=LHS
therefore verified
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