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The value of following expression lies between,
(1111)3+ (2212)3−(3.323)3(1.111)(2212)(- 3.323)
[New India Insurance (A0), 2011]
- 0.5 and 0
0 and 0.5
0.5 and 1
2.5 and 3.5
None of these
Explanation
Here, Given expression is(1111)3+ (2212)3−(3.323)3(1.111)(2212)(- 3.323)Here, put a= 1.111, b = 2.112and c = 3.323So, given expression can also be written as⇒a3+ b3+(-c)3−abcNow, here, a + b + c = 0Hence, a3+ b3+ c3= 3abcSo, 3abcabc=3So, its value lies between 2.5 and 3.5.
Hence, option E is correct.
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