RRB NTPC 2014 Paper

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Question : 39 of 100

Marks: +1, -0

If x < –1, then

x^3

will be

More than 1
Less than –1
More than –1
Less than 1 but more than 0

Solution:

(2) Let us assume, x = –2

x^3 = (–2)^3 = –8 < –1 \ Hence, x^3

for x < –1 will always be less than –1.

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