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Algebra Level 3

The maximum value \(M\) of \(3^{x}+5^{x}-9^{x}+15^{x}-25^{x}\) as \(x\) lies over reals satisfies:

\[0<M<2\] \[3<M<5\] \[4<M<5\] \[9<M<25\]

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by Akshat Sharda

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