1/x+1/y=1/4 and 1/x-1/y=3/4 then x ?
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here is ur answer for ur question
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ayush11080:
very nice....thanks...it helped alot
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hlw
1/x+1/y=1/4 ------1) and 1/x-1/y=3/4------2)
add 1 and 2
then
1/x+1/y+1/x-1/y=1/4+3/4
=> 1/x+1/x+0=4/4
=()
1/x+1/y=1/4 ------1) and 1/x-1/y=3/4------2)
add 1 and 2
then
1/x+1/y+1/x-1/y=1/4+3/4
=> 1/x+1/x+0=4/4
=()
sry...continue ...
=>2/x=1, =>1/x=1/2, =>x=2
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