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p^q - q^r = (p + q)^(r - q), where 1 < q...

`p^q - q^r = (p + q)^(r - q)`, where `1 < q < r < p < 10` then the value of `p + q + r` is :

A

31

B

21

C

15

D

12

Text Solution

Verified by Experts

The correct Answer is:
C
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