Math, asked by ShuchiRecites, 1 year ago

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Its 9th standard question, if you know then plz answer otherwise don't yearn only for points.

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Answered by Yuichiro13

Yeah !! If I were to type just for the points :( I'd have earned no fun :)

[tex] \frac{a +b+c}{ \frac{1}{ab} + \frac{1}{bc} + \frac{1}{ca} } \\ \\ = ( a + b + c )( \frac{1}{ \frac{a+b+c}{abc} } ) \\ \\ = ( a + b + c ) ( \frac{abc}{a+b+c} ) = abc [/tex]

What I just did was --> Took LCM of the denominator part , and simplified the Question and ended up with the answer :)

Hope you find your question real trivial !!

ShuchiRecites: but how u take lcm of ab, bc and ac as abc

Yuichiro13: Cause... ab, bc, and ac .. all divide abc Right ?

ShuchiRecites: but can you multiply and get abc

Yuichiro13: And also.. maybe the word LCM isn't perfect but... normal school maths teachers prefer to call it that way !

ShuchiRecites: ab × bc × ac = a²b²c²

ShuchiRecites: But not abc

ShuchiRecites: Ok I understood thanks

Yuichiro13: =_=

Yuichiro13: LCM and product .. Two different stuffs huh !!

Answered by Deepsbhargav

hey here is your answer..

I think my answer is capable for clear your confusion..

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ShuchiRecites: Thanks you very much

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☆No Spam Answer☆Its 9th standard question, if you know then plz answer otherwise don't yearn only for points.

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☆No Spam Answer☆

Its 9th standard question, if you know then plz answer otherwise don't yearn only for points.