1. 2n/n!
2. 22n/(2n)!
3. 0
4. 2n-1/n!
2n-1/n!
1. e3
2. e-3
3. -e3
4. -e-3
-e-3
1. e
2. e/2
3. e-1
4. e-2
e-2
1. e
2. e/2
3. e-1
4. e-2
e-2
1. e-3
2. e3
3. ½(e3-e-3)
4. ½(e3+e-3)
½(e3+e-3)
1. e
2. e+1
3. 1-e
4. e-1
e-1
1. ½(e+e-1)
2. ½(e-e-1)
3. e+e-1
4. e-e-1
½(e-e-1)
1. e√x-e-√x
2. √x(e√x-e-√x)
3. √x(e√x+e-√x)
4. √x(e√x-e-√x)/2
√x(e√x-e-√x)/2
1. e
2. e/2
3. ½(e+e-1)
4. ½(e-e-1)
½(e-e-1)
1. e
2. e2
3. 2e
4. 1/e
e