Q1. Find the value of √4x³ dx and explain the significance of the answer. Q2. Determine whether the given line is a tangent to the given circle, x+2y+6=0, x² + y²-6x-4y+ 8 = 0. Q3. A circle C has equation x² + y² - 4x + 10y=k, where k is a constant. a) Find the coordinate of the center of C. b) State the range of the possible values for k.

Note: This is a practice problem. This will not affect my grade.

Please solve this question in handwriting. Again please need it in handwriting.

If an object is located A meters in the N* direction and B meters in the E* direction from the origin, what is its position in terms of the N and E direction. The results of task 2 will help here. (What they are asking is another question I submitted here on bartebly which can help you answer this question.