find the value of 1/sqrt(8-sqrt(32))

Asked by  | 21st Jan, 2010, 09:43: PM

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

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

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