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Q1
:
854 x 854 x 854 - 276 x 276 x 276
= ?
854 x 854 + 854 x 276 + 276 x 276
A
1156
B
578
C
1130
D
565
E
None of these
Solution
ANS:
B
- 578
Given Exp. =
(
a
3
-
b
3
)
= (
a
-
b
) = (854 - 276) = 578
(
a
2
+
ab
+
b
2
)
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