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June 13th, 2018, 09:45 PM   #1
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Very high exponent value

Bit confused with these kind of problems. I have no clue how to approach. Any hints? Please help. Sorry i posted in geometry. Could you please move to Algebra section?
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June 13th, 2018, 10:27 PM   #2
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I would write:

$\displaystyle (K+1)^{-1}+(S+1)^{-1}=\frac{1}{K+1}+\frac{1}{S+1}=\frac{K+1+S+1}{(K+1 )(S+1)}=\frac{K+S+2}{KS+K+S+1}$

Can you compute the product $\displaystyle KS$?
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June 13th, 2018, 10:34 PM   #3
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Oh great got it. Answer is 1.
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