The tangent at any point `(x , y)`
of a curve makes an angle `tan^(-1)(2x+3y)`
with x-axis. Find the equation of the curve if it
passes through (1,2).
A. `6x-9y-2=26e^(3^((x-1)))`
B. `6x-9y+2=26e^(3^((x-1)))`
C. `6x+9y-2=26e^(3^((x-1)))`
D. `6x+9y+2=26e^(3^((x-1)))`