题目
2【单选题】已知I=iintlimits_(D)(cos y^2+sin x^2)dsigma,其中D是正方形域:0≤x≤1,0≤y≤1,则()A. 1≤I≤2B. 1≤I≤sqrt(2)C. 0≤I≤2D. 0≤I≤sqrt(2)
2【单选题】已知$I=\iint\limits_{D}(\cos y^{2}+\sin x^{2})d\sigma$,其中D是正方形域:0≤x≤1,0≤y≤1,则()
A. 1≤I≤2
B. 1≤I≤$\sqrt{2}$
C. 0≤I≤2
D. 0≤I≤$\sqrt{2}$
题目解答
答案
B. 1≤I≤$\sqrt{2}$