CBSE Class 9 Answered
PLEASE SOLVE
Asked by VEDIKA.L | 23 Feb, 2010, 08:44: PM
Expert Answer
PLEASE WRITE THE EQUATION WITH PROPER BRACKETS, (1/V) = (2/S)[(1/a) + (1/b) + (1/c)]
V = abc
S = 2ab + 2bc + 2ac .........there will 2 faces with area ab and so on.
RHS = (2/S)(1/a + 1/b + 1/c)
= (2/(2(ab + bc + ac)) ((ab + bc + ac)/(abc))
= 1/(abc)
= 1/V = LHS
Regards,
Team,
TopperLearning.
Answered by | 24 Feb, 2010, 06:07: AM
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