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1/1+x^a-b + 1/1+x^b-a

write and calculate in your notebook. hurry up.
you must use parentheses for properly formatting question. otherwise expressions and equations are likely to be misunderstood.


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2 5 2
click on thank you link pls
cant understand
replace x^(a-b) by y. then x^(b-a) = 1/y. now question is : 1/(1+y) + 1/(1+1/y) = 1/(1+y) + 1 / [ (y+1) / y ]
= 1 / (1+y) + y / (y+1) = (1+y) / (y+1) = 1
i hope this explanation is easy to understand.
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