Math, asked by bhoomi81, 1 year ago

pls answer only if u know.

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Answered by Anonymous
1
 {19}^{x} = 4 \\ {4}^{y } = 19 \\
from first equation
 {19}^{x(y)} = 19 \\ {19}^{xy} = 19 \\ xy = 1
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