http://www.mathway.com/math_image.as...B03?p=117?p=42, show that http://www.mathway.com/math_image.as...B03?p=165?p=42; for this problem I got http://www.mathway.com/math_image.as...B03?p=118?p=58

http://www.mathway.com/math_image.as...-1)?p=168?p=22, show that http://www.mathway.com/math_image.as...-2)?p=273?p=22; for this problem I got http://www.mathway.com/math_image.as...+2x?p=181?p=22

http://www.mathway.com/math_image.as...B03?p=113?p=42, show that http://www.mathway.com/math_image.as...B03?p=165?p=42; for this problem I got http://www.mathway.com/math_image.as...B03?p=118?p=58

http://www.mathway.com/math_image.as...B03?p=137?p=42, show that http://www.mathway.com/math_image.as...-1)?p=107?p=22; for this problem I got http://www.mathway.com/math_image.as...B03?p=261?p=78

http://www.mathway.com/math_image.as...MB03?p=88?p=42, show that http://www.mathway.com/math_image.as...B03?p=139?p=42; for this problem I got http://www.mathway.com/math_image.as...B03?p=156?p=58

I know how to get the first derivatives for all these problems, but I'm having problem getting to these alternate derivative forms. Please help. Thanks.