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Square root

Expert replies
Source: — Problem Solving |

by gauravgundal » Fri May 15, 2009 10:48 pm
Eq sqrt[2sqrt63 + 2/(8+3sqrt7)]

Lets take 2/(8+3sqrt7) = 2*(8-3sqrt7)/(64-63)
= 16- 6sqrt7 ----1

2sqrt63=6sqrt7 ----- 2

adding 1 and 2
i get
16

and sqrt of 16 =4 answer D
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