Tích phân $I=\int\limits_{0}^{{\frac{\pi }{2}}}{{\left( {{{{\sin }}^{4}}x+{{{\cos }}^{4}}x} \right)\left( {{{{\sin }}^{6}}x+{{{\cos }}^{6}}x} \right)}}dx$ bằng?
A. $\frac{{11}}{{128}}\pi .$
B. $\frac{{11}}{{64}}\pi .$
C. $\frac{{33}}{{128}}\pi .$
D. $\frac{{33}}{{64}}\pi .$
A. $\frac{{11}}{{128}}\pi .$
B. $\frac{{11}}{{64}}\pi .$
C. $\frac{{33}}{{128}}\pi .$
D. $\frac{{33}}{{64}}\pi .$
Loga
Hóa Học lớp 12
