Saved Bookmarks
| 1. |
Let f(x) and g(x) are differentiable function such that g(x)=f(x)cosx+f′(x)sinx in [0,2π] and 0<a<b<c<d<2π,f(a)=0,f(b)=−4,f(c)=9,f(d)=0,f(π)≠0, then the minimum number of zero(s) for g(x)=0 is |
|
Answer» Let f(x) and g(x) are differentiable function such that g(x)=f(x)cosx+f′(x)sinx in [0,2π] and 0<a<b<c<d<2π,f(a)=0,f(b)=−4,f(c)=9,f(d)=0,f(π)≠0, then the minimum number of zero(s) for g(x)=0 is |
|