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If x + y = 1 then what is the value...

This question belongs to Arithmetic Ability Algebra
Algebra
?

If x + y = 1, then what is the value of x3 + 3xy + y3?

Answer & Solution
Correct Answer: Option B
x + y = 1
put y = 0
x = 1
x3 + 3xy + y3
= 13 + 0 + 0
= 1
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