factorise. x3y3+1/x3y3+3xy+3/xy.
annugupta1954:
yes my equation is right
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Answer:
3x^4y^3 - 15 x^2y^2 +6xy
we can factor out 3xy
3xy(x^3y^2 -5xy+2)
we cannot factor any further
Choice A explanation:
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(xy)^3 + ( 1/xy )^3 + 3 * xy * 1/xy ( xy + 1/xy ) ------> ( xy + 1/xy )^3
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