In Exercises 67-74, thind the indelinite integral by the method shown in Example 5.\ 67.

\\\\int x\\\\sqrt(x+6)dx

x^(x)x^(69)\\\\int x\\\\sqrt(4x+1)dx

\ 69.

\\\\int x^(2)\\\\sqrt(1-x)dx

\ 70.

\\\\int (x+1)\\\\sqrt(2-x)dx

\ 71.

\\\\int (x^(2)-1)/(\\\\sqrt(2x-1))dx

\ 72.

\\\\int (2x+1)/(\\\\sqrt(x+4))dx

\ 33.

\\\\int (-x)/((x+1)-\\\\sqrt(x+1))dx

\ 74.

\\\\int t\\\ oot(3)(t+10)dt

In Exercises 6774, find the indelinite integral by the method shown in Exauple 5. 67. xx+6dxx0x+68x4x+1dx 69. x21xdx 70. (x+1)2xdx 71. 2x1x21dx 72. x+42x+1dx 33. (x+1)x+1xdx 74. t3t+10dt