indices
Asked by | 25th Jul, 2009, 07:08: AM
Expert Answer:
given expr
=(x+y+z)/[(1/xy)+(1/yz)+(1/xz)]
=(x+y+z)/[(x+y+z)/xyz]...taking l.c.m. for terms in second bracket
=xyz
Answered by | 8th Aug, 2009, 06:51: PM
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