ExamBro
ExamBro
TS EAMCET · Maths · Continuity and Differentiability

If fx=ax+b, if x1ax2+c, if 1<x2dx2+1x, if x2 is differentiable on R, then ad-bc=

  1. A 0
  2. B 1
  3. C -1
  4. D 2
Verified Solution

Answer & Solution

Correct Answer

(C) -1

Step-by-step Solution

Detailed explanation

Given: fx=ax+b, if x≤1ax2+c, if 1<x≤2dx2+1x, if x≥2 is differentiable on R So fx should be continuous on R Now continuity at x=1 f1-=f1+=f1 ⇒a+b=a+c⇒b=c  ...i Now continuity at x=2 f2-=f2+=f2…
From TS EAMCET
Explore more questions on app