Tower Rule falls

Level pending

If x y x^{y} =4, what is the value of x a x^{a} + x b x^{b} ?

Where y = x 4 x^{4} , a = x 2 x^{2} , b = x 8 x^{8} .


The answer is 258.

Subhaditya Basu by Subhaditya Basu , 20, India

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1 solution

Subhaditya Basu
Nov 8, 2015

i want a better approach to this sum. Someone please guide me to do this sum. It is from RMO

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