d(∫(2,x²))√(1-t²)dt/dX=2x√(1-x^4) ,
问题描述:
d(∫(2,x²))√(1-t²)dt/dX=2x√(1-x^4) ,
答
∵d(∫(2,x²))√(1-t²)dt/dx=√(1-x^4)*2x=2x√(1-x^4) ∴题目正确
d(∫(2,x²))√(1-t²)dt/dX=2x√(1-x^4) ,
∵d(∫(2,x²))√(1-t²)dt/dx=√(1-x^4)*2x=2x√(1-x^4) ∴题目正确