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/(8-4
2)
= 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)/2
2
Regards,
Team,
TopperLearning.
Answered by
| 21st Jan, 2010,
10:49: PM
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