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✓a²=a find out ✓a² not Equal a​

Sagot :

Answer:

It can't be anything other that a maybe the question is wrong ask a tutor

have a nice day

Step-by-step explanation:

ganjilaya2019

Answer:

√a² = |a|

Step-by-step explanation:

√a² = |a| not a

because the amount of "a" can be negative and when it reaches power 2 the minuse sign converts to plus sign , so we must use absolute value : |a| . notice that the answer never can be negative.

example:

a = -2

√(-2)² = √+4 = |-2| = 2 -2

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