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Powers and Roots Practice Test 5
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© examsnet.com
Question : 25
Total: 31
If
x
7
=
28
x
, what will be the value of x?
12
21
18
14
Validate
Solution:
x
7
=
28
x
x
2
=
7
×
7
×
2
×
2
x
=
√
7
×
7
×
2
×
2
=
14
© examsnet.com
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