1. 0
2. 1
3. -1
4. 2
-1
1. 2 sin 2 x
2. 3 cos 2 x
3. 0
4. none
2 sin 2 x
1. 1/√(e2x-1)
2. 1/ex√(e2x-1)
3. 1/ex√(ex-1)
4. ex/√(e2x-1)
1/√(e2x-1)
1. 2 sech2 2x
2. 3 cosh 3x
3. 1/2 sin hx/2
4. -5 cosech25x
1/2 sin hx/2
1. 1/√(4+x2)
2. 5/(1-25x2)
3. 1/√(x2-9)
4. -2/1-4x2
-2/1-4x2
1. 1/x√1-9x2
2. -1/x√1-9x2
3. 1/√x2-9
4. -1/√x2-9
-1/x√1-9x2
1. 1/√4+x2
2. 5/1-25x2
3. 1/√(x2-9)
4. 2/1-4x2
1/√4+x2
1. -1/√(1-x2)
2. 1/2(1+x)√x
3. -1/2√(x-x2)
4. -1/x[1+log|x|2]
1/2(1+x)√x
1. -1/√(1-x2)
2. 1/2 (1+x)√x
3. -1/2√(x-x2)
4. -1/x(1+log|x|2)]
1/2 (1+x)√x
1. sin-1 x
2. x2sin-1 x
3. 3x2 sin-1 x
4. 9x2sin-1 x
9x2sin-1 x