if In = 5 x" (1+x)0.5 dx ,n= 0,1,2.... where the integral is for x e [0,1]. By first finding a bound on the integrand, which of these is an upper bound on In? Pick ONE option O 1/(n+1) O 1/2(n+1) O 1/(n+1) + 1/(n+2) O n^n