2 Answers
x^3+xy
=(x^3+xy)^2
=(x^3)^2+2.x^3.xy+(xy)^2
=x^6+2x^4y+x^2y^2
=x^2(x^3+2x^2y+y^2)
আবার,
x^2-xy
=(x^2-xy)^2
=(x^2)^2-2.x^2.xy+(xy)^2
=x^4-2x^3y+x^2y^2
=x(x^3-2x^2y+xy^2)
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Answered
(1) (x3+xy)2
= {x(x2+y)}2
= x2(x2+y)2
= x2{(x2)2+2x2y+y2}
= x2(x4+2x2y+y2)
(2) (x2-xy)2
= {x(x-y)}2
= x2(x-y)2
= x2(x2-2xy+y2}
3196 views
Answered