Question

Evaluate

$open vertical bar table row cell straight x squared minus straight x plus 1 end cell cell space space space space space straight x minus 1 end cell row cell straight x plus 1 end cell cell space space space space straight x plus 1 end cell end table close vertical bar$

Name: Wired Faculty - The Best Learning App
Rating: 4.6 (1864 reviews)

Solution

Let space increment equals open vertical bar table row cell straight x squared minus straight x plus 1 end cell cell space space space space space straight x minus 1 end cell row cell straight x plus 1 end cell cell space space space space straight x plus 1 end cell end table close vertical bar equals left parenthesis straight x squared minus straight x plus 1 right parenthesis left parenthesis straight x plus 1 right parenthesis minus left parenthesis straight x minus 1 right parenthesis left parenthesis straight x plus 1 right parenthesis space space space space space space space space space equals straight x cubed minus straight x squared plus straight x plus straight x squared minus straight x plus 1 minus straight x squared plus 1 equals negative straight x cubed minus straight x squared plus 2 space space

For Daily Free Study Material Join wiredfaculty