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यदि 25^(x + y) =1 और 3^(4x + y) = 1/27 ...

यदि `25^(x + y) =1` और `3^(4x + y) = 1/27` है तो xy का मान ज्ञात कीजिए।

A

`-2`

B

`-1`

C

0

D

1

लिखित उत्तर

Verified by Experts

The correct Answer is:
B
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