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Q1
:
{(476 + 424)
2
- 4 x 476 x 424} = ?
A
None of these
B
2906
C
2904
D
2704
E
3116
Solution
ANS:
C
- 2704
Given Exp.
= [(
a
+
b
)
2
- 4
ab
], where
a
= 476 and
b
= 424
= [(476 + 424)
2
- 4 x 476 x 424]
= [(900)
2
- 807296]
= 810000 - 807296
= 2704.
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