1.

If x+ y + 2 = 0, then x3 + y3 + 8 = …………..

Answer»

Answer:

6XY

Step-by-step EXPLANATION:

(x+y)∧3 =(-2)∧3

x∧3+y∧3+3XY(x+y) =-8

x∧3+y∧3+8 = -3xy(x+y)

so, x∧3+y∧3+8 = -3xy × (-2)=6xy



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