The temperature distribution along a pin fin was found to vary with distance x as T = 6x2 - 5x + 3, where x is in meter. Take thermal conductivity of fin material as 0.75 W/mK. The heat transfer from the base of the fin is
1
3⋅75 W/m2
2
4⋅01 W/m2
3
5⋅22 W/m2
4
6⋅32 W/m2