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Powers and Roots Practice Test 4
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© examsnet.com
Question : 4
Total: 40
Find x in:
√
3364
+
√
40
+
x
3
=
74
.
5
-4
-6
6
-5
Validate
Solution:
√
3364
+
√
40
+
x
3
=
74
58
+
√
40
+
x
3
=
74
√
40
+
x
3
=
74
−
58
=
16
Squaring both sides,
40
+
x
3
=
256
x
3
=
216
x
=
6
© examsnet.com
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