`T h e v a l u e o f4 9^A+5^B ,w h e r eA=1-log_7 2andB=-log_5 4i s . . .`

Find the value of 49^A+5^B w h e r e\ A=1-(log)_7 2\ &\ B=-(log)_5 4.

If sin(A-B)=1/(sqrt(10 ,))cos(A+B)=2/(sqrt(29)),fin dt h ev a l u eof2Aw h e r eAa n dBl i eb e t w e e n0a n dpi/4dot

E v a l u a t e\ (2. 3 a^5b^2)xx(1. 2 a^2b^2)w h e n\ a=1\ a n d\ b=0. 5.

Let f(0)=0a n dint_0^2f^(prime)(2t)e^(f(2t))dt=5.t h e nv a l u eoff(4)i s log 2 (b) log 7 (c) log 11 (d) log 13

Let f(0)=0a n dint_0^2f^(prime)(2t)e^(f(2t))dt=5.t h e nv a l u eoff(4)i s log 2 (b) log 7 (c) log 11 (d) log 13

Let f(0)=0a n dint_0^2f^(prime)(2t)e^(f(2t))dt=5.t h e nv a l u eoff(4)i s log 2 (b) log 7 (c) log 11 (d) log 13

Let f(0)=0a n dint_0^2f^(prime)(2t)e^(f(2t))dt=5.t h e nv a l u eoff(4)i s (a)log 2 (b) log 7 (c) log 11 (d) log 13

Let f(0)=0a n dint_0^2f^(prime)(2t)e^(f(2t))dt=5.t h e nv a l u eoff(4)i s log 2 (b) log 7 (c) log 11 (d) log 13

If S_n=sum_(r=1)^n r !(n >6),"t h e nf i n dt h ev a l u eo f" [cot^(-1)(cot(s_n-7[(S_n)/7]))],"w h e r e"[dot]"d e n o t e sg r e a t e s t" integer function

If the median of the scores 1, 2, x , 4, 5 (w h e r e 1<2