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प्रश्न
Show that:
`1/(1+x^(a-b))+1/(1+x^(b-a))=1`
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उत्तर
`1/(1+x^(a-b))+1/(1+x^(b-a))`
`=1/(1+(x^a/x^b))+1/(1+(x^b/x^a))`
`=1/((x^b+x^a)/x^b)+1/((x^a+x^b)/x^a)`
`=x^b/(x^b+x^a)+x^a/(x^a+x^b)`
`=(x^b+x^a)/(x^b+x^a)`
= 1
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