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Solve question 8 & 9. What logic shld I apply in 8th question, and how to evaluate 9th question

Solve question 8 & 9.
What logic shld I apply in 8th question, and how to evaluate 9th question

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1 Answers

Arun
25750 Points
5 years ago
Dear student
see in second term
it is a +b+ c = 0
then a^3 + b^3 + c^3 =3abc
and in FIRST term
everyterm in denominator is 3 times of Numerator.
hence it is 1/27 – 1/27 = 0
 
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