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Powers and Roots Practice Test 2
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© examsnet.com
Question : 3
Total: 40
Simplify :
√
41
−
√
21
+
√
19
−
√
9
6.4
6
5
3
Validate
Solution:
√
41
−
√
21
+
√
19
−
√
9
=
√
41
−
√
21
+
√
19
−
3
=
√
41
−
√
21
+
√
16
=
√
41
−
√
21
+
4
=
√
41
−
√
25
=
√
41
−
5
=
√
36
=
6
© examsnet.com
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