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Evaluate (i) (-12)^3+7^3+5^3 (ii) (2...

Evaluate
`(i) (-12)^3+7^3+5^3`
`(ii) (28)^3+(-15)^3+(-13)^3`

Text Solution

Verified by Experts

The correct Answer is:
108
(ii) Let ` a=28,b=-15 and c =-13`. Then,
` a+b+c=0 rArr a^3+b^3+c^3=3abc=3xx28xx (-15)xx(-13)=16380`.
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