Tìm vi phân của hàm số $y=tan \frac{2x-1}{3x+2}$

Question

Cơ bản

4 câu trả lời

Answer 1

$dy=\frac{-7}{(3x+2)^{2}cos^{2}\frac{2x-1}{3x+2}}dx$

Answer 2

$dy=\frac{7}{(3x+2)^{2}cos^{2}\frac{2x-1}{3x+2}}dx$

Answer 3

$dy=\frac{1}{(3x+2)^{2}cos^{2}\frac{2x-1}{3x+2}}dx$

Answer 4

$dy=\frac{1}{cos^{2}\frac{2x-1}{3x+2}}dx$