Equation

Algebra Level 2

x^5 =1 has how many real roots?

4 2 3 1

Jobayer Mahmud by Jobayer Mahmud , 29, Bangladesh

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3 solutions

B D
Apr 9, 2019

The only value that is possible is 1.

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Sidi Dia
Apr 8, 2015

x^5=1 <-> x= (sqrt1)^5=1

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The graph of x 5 − 1 = 0 x^5-1=0 only crosses the x-axis at x = 1 x=1 which is the only real solution and so there is only 1 solution.

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