Saved Bookmarks
| 1. |
Let a=sin^(-)(sin3)+sin^(-1)(sin4)+sin^(-1)(sin5),f(x)=e^(x^(2)+|x|), domain of f(x) be [a,oo) & range of f(x) be [b,oo) and g(x)=(4cos^(4)x-2cos2x-1/4"cos"4x-x^(7))^(1//7), domain & range of g(x) is set of real numbers. Which of the following are correct |
|
Answer» `a=-2` `f(-2)=f(2)impliesf(x)` is many one `IMPLIES` non invertible Let `t=x^(2)+|x|,t epsilon [0,OO)` `f(x) epsilon [1,oo)` `impliesb=1` & `a+b=-1` `g(x)=[(1+cos2x)^(2)-2cosx-1/2(2COS^(2)2x-1)-x^(7)]^(1//7)` `g(x)=(3/2-x^(7)]^(1/7)` `f(g(g(b)))=f(b)=e^(2)` |
|