If then the value of the expression 3 3 minus 3 minus will be ........

Quantitative Aptitiude (CLAT) Simplification

If ?? + ??= ?? , then the value of the expression ??3+??3 − ??3 −???????? will be:

3abc

??3

Solution: ??+ ?? = ??
?? + ?? – ?? = 0 ⇒ ?? + ?? + (−??) = 0
⇒ ??3+??3+ (−??3)+3???? −?? = 0
⇒ ??3+??3 − ??3−3?????? = 0

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