ExamBro
ExamBro
AP EAMCET · Maths · Limits

If \(f(x)=\left\{\begin{array}{ll}3 a x-2 b, & x\gt1 \\ a x+b+1, & x \lt 1\end{array}\right.\) and \(\lim _{x \rightarrow 1} f(x)\) exists, then the relation between \(a\) and \(b\) is

  1. A \(3 a-2 b=1\)
  2. B \(2 a-3 b=1\)
  3. C \(2 a+3 b=1\)
  4. D \(2 a+3 b=-1\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(2 a-3 b=1\)

Step-by-step Solution

Detailed explanation

Given, \(f(x)= \begin{cases}3 a x-2 b, & x\gt1 \\ a x+b+1, & x \lt 1\end{cases}\)…