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If 3sqrt(7)+sqrt(343)=19.21, then find t...

If `3sqrt(7)+sqrt(343)=19.21`, then find the value of `sqrt(252)+20sqrt(7)`.

A

39.4

B

49.9

C

56.8

D

92.3

Text Solution

Verified by Experts

The correct Answer is:
B
49.9
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