Question

найти производную arcctg3x^5​

Answer 1

$(arcCtg3x^{5})'=-\frac{1}{1+(3x^{5)^{2}}}*(3x^{5})'=-\frac{1}{1+9x^{10}}*15x^{4}=-\frac{15x^{4}}{1+9x^{10}}$