please answer step by step....
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1). p + 1/q = 1
p = 1 - 1/q = (q - 1)/q.....eq 1.
2). q + 1/r = 1
1/r = 1 - q
r = 1/(1 - q).......eq 2.
Now, r + 1/p
= 1/(1-q) + 1 / [(q-1)/q]
= - [ 1/(q - 1) ] + q/ (q-1)
= (-1 + q)/(q - 1)
= [ (q-1) / (q-1) ]
= 1.......●
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Hope it was helpful.
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