r+3 sint--k sinh 1-cos x+-3 MATHER *+5x+3 exists and is 57. x*+x+2 Geite then the value of k' is 2) 2 1) et 2) -e 3)e 4) e 3) 3 4) 4 Tan"x- Sin"x 58. If Lt. =5 then K= 10+4 0 sin" sinhr 1) - 2 2) 2 3) 1 4) -1 2) 0 3) 4) sinx-x+ 2 N represents integral part of xERand m (x] +l-x] = 59. Lt X-0 lim Z then 1. 1) 120 2) 0 2) 120 3) 0 4) does not exist 3 (A): RI: If a function f is defined only in right x-5 for xS1 60. If f(x) =4x-9 for l