JEE Main 202623 Jan, Morning shiftMathematicsEasyLimit, Continuity and Differentiability420× since 2002Let f(x)={ax2+2ax+34x2+4x−3,x≠−32,12b,x=−32,12f(x)=\begin{cases}\frac{ax^2+2ax+3}{4x^2+4x-3}, & x\neq-\frac{3}{2},\frac{1}{2}\\ b, & x=-\frac{3}{2},\frac{1}{2}\end{cases}f(x)={4x2+4x−3ax2+2ax+3,b,x=−23,21x=−23,21 be continuous at x=−32x=-\frac{3}{2}x=−23. If f∘f(x)=75f\circ f(x)=\frac{7}{5}f∘f(x)=57, then xxx is equal to :AOption A. 1BOption B. 2COption C. 0DOption D. 1.4CheckSkip · show solution
