Single Choice a r<2 f(x)=12-3x+3, x...
Question
Fullscreen

Single Choice a r<2 f(x)=12-3x+3, x22 Let If fis differentiable for all x, then the value of (ab) is equal to : A (1,2)

JEE/Engineering Exams
Maths
Solution
98
Rating
4.0 (1 ratings)
Fullscreen
( A t x=2 ) ( 2 a=4 a+2 b+3 quad ) Solving ( 0 . Q ) ( 3 a+b=0 ) ( Rightarrow a+b=-3 / 2 rightarrow 0 quad=frac{a+b}{2 a+3 n} ) ( f^{prime}(x) ) at ( x=2 ) ( a=2 a x+b ) ( vec{a} a=4 a+b ) ( varepsilon_{-} b=-3 a=-9 / u ) ( Rightarrow quad 3 a+b=0 quad Rightarrow )
Quick and Stepwise Solutions Just click and Send Download App OVER 20 LAKH QUESTIONS ANSWERED Download App for Free