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Powers and Roots Practice Test 3
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© examsnet.com
Question : 21
Total: 40
Which number can replace both the question marks in the equation
?
√
128
=
√
162
?
?
196
144
14
12
Validate
Solution:
?
2
=
√
162
×
128
=
144
∴
?
=
√
144
=
12
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