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Ishika Sadhukhan

1 month before


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what will be the answer to this?

Amrita Roy

4 weeks before

Comment Approved By Expert
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Hi Ishika, Refer to the attached image. Let me know if you have any doubt. For these types of sums, we use Binomial theorem for rational indices and ignore higher powers of x depending on the given condition (Here the expression is a+bx. So, we ignore terms with x^2 or higher order).
Amrita Roy

4 weeks before

For the last two steps, it would be 19/12. Sorry for that.