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Aptitude
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Verbal Reasoning
Computer Science
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Simplification
(469 + 174)2 - (469 - 174)2 =? (469 x 174)
2
4
295
643
Show Answer
Correct Answer:
4
Explanation:
Given exp. =
(
a
+
b
)
2
- (
a
-
b
)
2
ab
=
4
ab
ab
= 4 (where
a
= 469,
b
= 174.)
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