Question

喵喵少女

求解……照著公式算了好久還是不知道自己在錯在哪裡😭不知道是哪裡算錯

In Exercises 1 and 2, use Newton's method to find the zero(s) of
f to four decimal places by solving the equation f(x) = 0. Use
the initial estimate(s) xo.
1. f(x) = 2x³ — 15x² + 36x - 20, x₁ = 1
YA
20+
10+
- 1
-10
1
+
2 3 4
X

3. Find the dimensions of a rectangle of area 144 ft² that has
the smallest possible perimeter.no!
1