∫dx/(4x+1)50=()

∫dx/(4x+1)⁵⁰=()
A、1/49•1/(4x+1)⁴⁹+C
B、1/196•1/(4x+1)⁴⁹+C
C、-(1/196)•1/(4x+1)⁴⁹+C
D、-(1/196)•1/(4x+1)⁵¹+C
【正确答案】：C