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CBSE Class 10 Answered

find the value of 1/sqrt(8-sqrt(32))
Asked by | 21 Jan, 2010, 09:43: PM
answered-by-expert Expert Answer

1/(8-32) = 1/(8-(16x2))

= 1/(8-42)

= 1/2(2-2)

=

= (2+2)/2(22 - 2) .............multiplying and dividing by, (2+2) and using (a-b)(a+b) = a2-b2

= (2+2)/22

Regards,

Team,

TopperLearning.

 

Answered by | 21 Jan, 2010, 10:49: PM
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