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Using binomial expansion, simplify the e...

Using binomial expansion, simplify the expression `Q[(1+(Deltax)/(x))^3-1]`, assuming `Deltax` to be small in comparison to x.

A

`(-3QDeltax)/(x)`

B

`(QDeltax)/(x)`

C

`(2QDeltax)/(x)`

D

`(3QDeltax)/(x)`

Text Solution

Verified by Experts

The correct Answer is:
D
`Q[(1+(Deltax)/(x))^3-1]=Q[1+(3Deltax)/(x)-1]=(3QDeltax)/(x)`
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