AP EAMCET · Maths · Functions
If , where then
- A
- B
- C
- D
Answer & Solution
Correct Answer
(C)
Step-by-step Solution
Detailed explanation
Given: fx=x2+ax+b ⇒f0=b So, ff0=fb=0 ⇒b2+ab+b=0 ⇒bb+a+1=0 ⇒b+a+1=0 ∵b≠0 ⇒a+b=-1
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