Newton-Raphson method

Using Newton-Raphson method solve the following

1.    find the positive root of x³ – x -1=0

2.    cosx-xe^x=0

3.    x³+2x²+50x+7=0

4.    x³ + x +1=0

5.    x³ – x -2=0

6.    x⁴ – x -9=0

7.    x⁴ – x = 10

8.    xe^x = 1

9.    x³ – 5x +3=0

10.  cosx = x²