The derivative of F (x) = ln (x)

f(x)=1/x

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1. What is the derivative of F (x) = (x + 1) ln (x + 1)
2. What is the derivative of F (x) = ln [x ^ 2-1]?
3. F (x) = x-ln (x + 1) derivative inequality fast
4. Why is the direct answer to the derivative problem of compound function y = radical (1 + ln ^ 2x) y '= 1 / 2 · 1 / radical (1 + ln ^ 2x)^ Derivative problem of compound function Y = root (1 + ln ^ 2x) Why is the answer y '= 1 / 2 · 1 / radical (1 + ln ^ 2x) · (1 + ln ^ 2x)' Why can't you peel it down like u = 1 + V, v = ln ^ m, M = 2x when you peel it to 1 + ln ^ 2x? That's y'u'v'm ', but that's not right
5. Finding the derivative of y = lncos (1 + x) composite function
6. Derivative y = (1-x) ^ 100 of compound function of higher number
7. Write the derivative of the following compound function. Y = E-X + 3, y '= y=（e）*2x-（e）*x+3
8. Finding the derivative of compound function y = cos √ x + √ cosx
9. The decreasing interval of function y = log12 (x2 − 4x − 5) is______ ．
10. The decreasing interval of the function y = log0.8 (- X & # 178; + 4x) is
11. Find the n-order derivative (n ≥ 3) of y = (x ^ 2) ln (1 + x) at x = 0
12. N-order derivative of y = ln (x-1 / x + 2)
13. Finding the derivative of Ln (x + √ 1 + x square)
14. Given the function y = sin (cosx), then y '= ()
15. The base circumference of fruit cone is 20 π, and the center angle of the fan-shaped circle is 120 ° after the lateral expansion
16. What's the perimeter of a rectangle made of five squares a centimeter like this
17. I have forgotten the growth rate formula, the reduction rate formula, the area of a circle, the area of a sector and the arc length formula
18. Given the line L: y = 3x + 3, find the equation of (1) line L with respect to the symmetric line at point m (3,2)
19. 1.. P is a point on the ellipse x ^ 2 / 25 + y ^ 2 / 16 = 1, F1, F2 are the focus, if ∠ f1pf2 = 30 °, then the area of △ f1pf2 is________ 2. Given that P is the point on the ellipse x ^ 2 / A ^ 2 + y ^ 2 / b ^ 2 = 1 (a > b > 0), F1 and F2 are the two focal points on the left and right of the ellipse. If ∠ f1pf2 = 60 ° and the area of △ f1pf2 is [(radical 3) / 9] · a ^ 2, (1) calculate the eccentricity of the ellipse (2) If the line X - (radical 6) · y = 0 intersects the ellipse at two points a and B, and the vector F1A · vector F1B = - 1, the equation of the ellipse is obtained 3. The left and right focus of the ellipse x ^ / 9 + y ^ 2 / 5 = 1 are F1 and F2 respectively. Point a (1,1) is inside the ellipse and point P is on the ellipse. Find the maximum value of (1) | PF2 | - | PA | (2) find the minimum value of | PA | + | Pf1 |
20. How to determine the integral range of definite integral of polar coordinate equation? For example, ρ = 2A (2 + cos θ)