TS EAMCET · Maths · Functions
If and , then
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
Given: A=x∈R: x2-8x+15∈R So, x2-8x+15≥0 ⇒ x2-3x-5x+15≥0 ⇒ xx-3-5x-3≥0 ⇒ x-5x-3≥0 ⇒ x∈(-∞,3]∪[5,∞) ⋯i And, B=x∈R:x-32x-5
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