Consider the statement For all integers n, ifn2 is odd then n is odd. a. Write what you would suppose and what you would need to show to prove this statement by contradiction. b. Write what you would suppose and what you would need to show to prove this statement by contraposition.

L20 - 8 NOTE: Fora, b constants d b 1.dx (a )= d 2. ([f(x)] )= dx d 3. (ag(x)= dx d g(x) 4.dx ([f(x)] )= ex. Find the equation of the tangent line to f(x)= x lnx at x = e.