Maximum at its Maximum!

Algebra Level 3

Find the maximum value of the function:

3 x + 5 x + 1 5 x − 9 x − 2 5 x 3^{x} + 5^{x} + 15^{x} -9^{x}-25^{x}

This question is from KVPY

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The answer is 1.00.

Neelesh Vij by neelesh vij , 21, India

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1 solution

easy peasy , just differentiate and get a maximum at x=0 , are questions i kvpy all this easy? i dunno as i never gave it !

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