Question

интеграл 2a^фи dфи
интеграл 6dx/1+x^2

Answer 1

$int , 2a^{varphi }, dvarphi =2cdot frac{a^{varphi }}{lna} +C\\\int frac{6, dx}{1+x^2}=6cdot int frac{dx}{1+x^2} =6cdot arctgx+C$