2 answers:
Answer:
b)11
since 11^2 is 11*11 = 12
and when you take the square root of 121
we get 11
(in b- √11^2) , it cancels out the square
square root cancels square since they perform opposite functions
You know the square of 11 is 121 and that symbol means square root and square root of 121 is 11
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