Easiest Question

Algebra Level 1

The question is simple.

x y = x y x \large x^y = x^{yx}

What is ( x + 1 ) 5 (x+1)^5 ?


The answer is 32.

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3 solutions

x y = x y x y = y x x = 1 \begin{aligned} x^{\blue y} & = x^{\blue{yx}} \\ \implies y & = yx \\ x & = \boxed 1 \end{aligned}

Arifin Ikram
Oct 7, 2019

Given, x y = x x y x^y=x^{xy}

y = x y \Rightarrow y=xy

1 = x \Rightarrow 1=x

So, ( x + 1 ) 5 = ( 1 + 1 ) 5 = 32 (x+1)^5=(1+1)^5=\boxed {32}

A number multiplied by a number Y times is equal to the same number multiplied by Y times then X times, the variable X must be 1.

1 multiplied by 1, A times is 1.

So the question is (1+1)˄5 which is 2𝐱2𝐱2𝐱2𝐱2 = 32 !!!

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