Published by:
CGP EDU Academic Team
Published on: August 12, 2026
The solution of the inequation 4 –x + 0.5 – 7.2 –x < 4, x ∈ R, is:
A
(–2, ∞ )
B
(2, ∞ )
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
A
Let 2 –x = t ∴ t > 0 . . . (i)
∴ 2t 2 – 7t < 4
⇒ 
< t < 4 . . (ii)
from (i) & (ii)
0 < t < 4
0 < 2 –x < 4
⇒ –2 < x < ∞
⇒ x ∈ (–2, ∞ )
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