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Which of the following equation (s) has ...

Which of the following equation (s) has (have) only natural solution(s)
(A) `6.9^(1/k)-13.6^(1/k)+6.4^(1/k)=0`
(B) `4x.sqrt(8^(x-1))=4`

Text Solution

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The correct Answer is:
B
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