SSC CGL 19 Oct 2014 Shift 2 Paper

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Question : 126 of 200

Marks: +1, -0

If a = 2.234, b = 3.121 and c = –5.355, then the value of

a^3+b^3 + c^3

– 3 abc is

–1
0
1
2

Solution:

a = 2.234, b = 3.1 21 and
c = -5.355
a + b + c = 2.234 + 3.121 – 5.355 = 0
∴

a^3 + b^3 + c^3

– 3abc = 0

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