AP EAMCET · Maths · Functions
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
Let fx=x2-2x-8log2-x-x2 ⇒fx=x2-2x-8log-x2-x+1 log-x2-x+1 is defined for -x2-x+1>0 ⇒x2+x-1<0 ⇒x--1+52x--1-52<0 ⇒x∈-1-52,-1+52 ⇒x∈-1.61,0.61 ....i And, x2-2x-8≥0 Put x=t ⇒t2-2t-8≥0…
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