Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Hw6 extra for calculus
1. Exercise.
(1) Show that p 1
x2+1
1 = x2
p
x2+1(
p
x2+1+1)
for all x 2 R.
(2) Show that 0 p 1
p
x2+1+1)
x2+1(
1 for all x 2 R.
(3) Use denition to show that limx!0
p 1
x2+1
= 1.
1