if x y 3 0 then find the value of x3 y3 9xy 9 | Examsbook

434

Q:
If x + y + 3 = 0 , then find the value of x³+y³-9xy+9.

1
18
2
36
3
-36
4
-18

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Answer : 4. "-18 "

Maths Algebra Question with answer

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