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The following steps are involved in find...

The following steps are involved in finding the value `(7+x)^3` , when `(7x)^3=343`. Arrange in sequential order.
(A) `(7+x)^3=(7+1)^3=8^3=512`
(B) `x^3=(343)/(7^3)=(7^3)/(7^3)=1`
(C) `rArrx=1`
(D) `(7x)^3=(343)/(7^3)=(7^3)/(7^3)=1`

A

ABCD

B

DBCA

C

ACBD

D

BDCA

Text Solution

Verified by Experts

The correct Answer is:
B
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