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If a,b,c be the edges of cudoid whose volume is V and surface area is S. Then proof that 1/V=2/5 (1/a+1/b+1/c) .

Posted by Ayush Sharma 7 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Abhishek Kumar 7 years, 10 months ago

V- ABC and s - 2( ab+ BC+ ca) 2/s(1/a+1/b+1/c)= 2/s( ab+ bc+ ca/ABC)=2/s×{s/2v)=1/v

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CBSE > Class 09 > Mathematics