Derivative function of y = 2xsin (2x + 5)

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• 1. Y = (1 + x) (2-3x & # 178;) (3-4x & # 179;) find the derivative Y & # 180;
• 2. If y / x + X / y = 1, what is the derivative of Y
• 3. It is known that the quadratic function f (x) satisfies f (4-x) = f (x), the length of the line cut on the x-axis is 6, and the function image passes (3,8). The analytic expression of F (x) is obtained Modify "and function image (3, - 8),"
• 4. Given the intersection (2,0) of quadratic function image and X axis (- 1,0), and the intersection (0, - 1) of quadratic function image and Y axis
• 5. It is known that the vertex of the image of quadratic function is (- 3,1 / 2) and the image passes (2,11 / 2). Find the analytic expression of quadratic function and the intersection coordinates of image and Y axis Please write clearly the process
• 6. If the nonzero real number A.B.C is known to be an arithmetic sequence, then the number of intersections between the image and the x-axis of the quadratic function f (x) = ax ^ 2 + 2bx + C / 4
• 7. It is known that the image of the quadratic function y = x2 + BX + C intersects with the y-axis at points a (0, - 6), and one of the intersection coordinates with the x-axis is B (- 2, 0). (1) find the relationship of the quadratic function and write out the vertex coordinates; (2) translate the image of the quadratic function to the left along the x-axis for 52 unit lengths, and find the corresponding functional relationship of the image
• 8. It is known that the image Q of quadratic function y = ax ^ 2 + BX + C has only one intersection point P with X axis, and the intersection point with y axis is B (0,4), and AC = B Find the analytic expression of the quadratic function Translate the image of a function y = - 3x properly to pass through point P. remember that the image is l, and the other intersection of image L and Q is C. please find a point D on the Y axis to make the perimeter of △ CDP shortest
• 9. SiN x + cos x = 0.2 for TaNx
• 10. It is known that TaNx = - √ 2, π
• 11. Using logarithm to find derivative y = (x + 1) ^ 2 * (3-x) ^ (1 / 2) * (x ^ 2 + 1) ^ (- 3)
• 12. Try the method of derivation to sum: 1 + 2x + 3x2 + ~ + nxn-1
• 13. How to find the derivative y ^ 2 + 3Y = x ^ 3 Y is a function, X is an independent variable, please do not change, put forward y, please directly on the function left and right at the same time derivative
• 14. X ^ 2 + 2XY - ^ 2 = 2x, derivative The result is 2x + 2Y + 2XY '- 2yy' = 2, but how does - 2yy 'come from?
• 15. How to find the derivative of implicit function to x? For example, why does Y ^ 5 get 5Y '* y ^ 4 when deriving from x Consider y as a function of X,
• 16. What does implicit function mean by deriving x The simplest x ^ 2 = 1-y ^ 2 knows how to find the derivative on the left, but I don't understand it on the right. Why is y.y '? Isn't y derivative 1? I don't understand the definition well!
• 17. How do implicit functions derive from x
• 18. If 2x + y = 3 and x-3y = 5, then y (x-3y) ^ 2 + 2x (3y-x) ^ 2 =?
• 19. Derivation of F (x) = (x-3) / (x + 3)
• 20. Derivation of F (x) = 2x / x ^ 2 + 1