\(\int_{ 1}^{ 2} t^{ 2} sin ^{2}\left(1+\frac{1}{t}\right) d t\)

Type your math problem... \(\int_{-1}^{-2} t^{-2} sin ^{2}\left(1+\frac{1}{t}\right) d t\)

Question

Verification required

Please type the verification code shown