18 Jun 2019

ICSE class 9 SELINA ex 4D question 8


2 comments:

  1. Ankit dada it is nice but as how it is done is not understood by me

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  2. ok. look at the main question here 7x^3+8x-1/x^3-8/x
    here we take common 7 from 7x^3-1/x^3 and 8 from 8x-8/x
    and now we need two value X^3-1/x^3 and x-1/x and we find it at above part. just put those value and got the answer.

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