TS EAMCET · Maths · Functions
If represents the greatest integer , then the range of the real valued function is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
Given: fx=1x2+x-2 Here, fx is defined for x2+x-2>0 Put x=t, then t2+t-2>0 ⇒t-1t+2>0 ⇒t∈-∞,-2∪1,∞ ⇒x∈-∞,-2∪1,∞ ⇒x∈-∞,-2∪[2,∞) Now, x≥2 ⇒x≥2…
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