(x + y )(x square - xy + y square)/x cube + y cube
Evaluate the expression
if x = 1 and y = -2
Answers
Answered by
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(-1)(1+2+4)/(1+8)
=-1 * 7 / 9
= -8/9
=-1 * 7 / 9
= -8/9
Answered by
1
(x+y)(x^2-xy+y^2)/x^3+y^3
=(x^3+y^3)/x^3+y^3
=1 so, any value of x and y give answer 1
therefore, if x=1 and y=-2 then value always = 1
=(x^3+y^3)/x^3+y^3
=1 so, any value of x and y give answer 1
therefore, if x=1 and y=-2 then value always = 1
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