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If 7^(a^(b))=2401 where a and b positive...

If `7^(a^(b))=2401` where a and b positive integers and `a ne 1`, then which of the following is (are). Correct ?
`I,a=b`
`II.agtb`
`III.altb`

A

Either I or II

B

Either II or III

C

Either I or II

D

I only

Text Solution

Verified by Experts

The correct Answer is:
C
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