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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