calculus
posted by Kelly .
lim (x^(2)4)/(x2)
x>2
lim
x>1 (x+1)/(x1)

( x ^ 2  4 ) / ( x  2 ) =
( x + 2 ) * ( x  2 ) / ( x  2 ) =
x + 2
lim ( x ^ 2  4 ) / ( x  2 ) as x>2 =
lim ( x + 2 ) as x>2 = 2 + 2 = 4
( x + 1 )/ ( x  1 ) = 2 / ( x  1 ) + 1
lim ( x + 1 )/ ( x  1 ) as x>1 =
lim [ 2 / ( x  1 ) + 1 ] as x>1 = + OR  infinitty
becouse lim 2 / ( x  1 ) as x>1 = + OR  infinity