Q.3 Q.4 2 Find the equation of normal line at (2,0) of the function: f(x) = 2x - 3x+ x+1 3 Find the extreme values and inflection point of the function: f(x) = 12x - 2x Q.5 Derive the reduction formula for the function sec"x and evaluate [sec xdx. x Q.5 Solve the integral: (x-1) (x+1) dx Q.6 (x-1)2(x+1) Solve the differential equation: (e : (e-Y +1)sinxdx = (1 + cosx)dy, y(0) = 0