Tích phân (x+y)dx+zdz, trong đó C là giao tuyến của trụ x^2 +y^2 = 2x và mặt phẳng z = x, lấy ngược chiều KĐH nhìn điểm (1, 0, 0)

the answer is 1/4

step-by-step explanation:

answer: two angles are called supplementary if they add up to 180°. example: the two angles (140° and 40°) are supplementary because they add up to 180°.

step-by-step explanation:

“ a line segment that has the endpoints on the circle and passes through the midpoint is called the diameter. the diameter is twice the size of the radius. a line segment that has its endpoints on the circular border but does not pass through the midpoint is called a chord. a circle is the same as 360 small circle up the number 0 . i hope this .