= smp. symbols( 'x', real=True) 2 f = e** (3*x) / e* * (2*x) + 4* (e* *x ) - 5 3 smp . integrate (f, x) Name Error Traceback (most recent call last) in 1 x = smp . symbols( 'x', real=True) 2 f = e**(3*x) / e** (2*x) + 4*(e* *x) - 5 3 smp . integrate(f, x) NameError: name 'e' is not defined2. Given f(@) = " +4-5