The integrals a integral dxx b integral1infinity 1s dSSoluti

The integrals: a) integral dx/x b) integral_1^infinity 1/s dS

Solution

[3(a)]

We can do in two ways

(i)

fun=@(x) (1/x);

q=integral(fun)

(ii)

syms x;

int(1/x)

[3(b)]

We can do in two ways

(i)

fun=@(s) (1/s);

q=integral(fun,0,inf)

(ii)

syms s;
int(1/s)
int(1/s,1,inf)