Number of integral values ofλfor which(lim)x→1sec−1(λ2(log)ex−λ2x−1)does not exist is a. 1 b. 2 c.3d. 4 View Solution If(λ2+λ−2)x2+(λ+2)x<1for allx∈R, thenλbelongs to the interval : View Solution ...