integral .. 12x dx = ??? cr hasilnya kk say .....

[tex]f \: 12x \: dx \\ = \frac{12 {x}^{1 + 1} }{1 + 1} \\ \\ = \frac{12 {x}^{2} }{2} \\ \\ = 6 {x}^{2} [/tex]