metode biseksi

iterasi	a	b	c	f(a)	f(b)	f(c)	f(a).f(b)		x^2+3x-15=0
1	10	2	6	167	-3	49	+++
2	6	2	4	83	-3	19	+++		a= 10
3	4	2	3	53	-3	7	+++		b= 2
4	3	2	2,5	41	-3	1,75	+++		E= 0,001
5	2,5	2	2,25	35,75	-3	-0,6875	...
6	2,5	2,25	2,375	35,75	-0,6875	0,515625	+++
7	2,375	2,25	2,3125	34,51563	-0,6875	-0,08984	...
8	2,375	2,3125	2,34375	34,51563	-0,08984	0,211914	+++
9	2,34375	2,3125	2,328125	34,21191	-0,08984	0,060791	+++
10	2,328125	2,3125	2,320313	34,06079	-0,08984	-0,01459	...
11	2,328125	2,320313	2,324219	34,06079	-0,01459	0,023087	+++
12	2,324219	2,320313	2,322266	34,02309	-0,01459	0,004246	+++
13	2,322266	2,320313	2,321289	34,00425	-0,01459	-0,00517	...
14	2,322266	2,321289	2,321777	34,00425	-0,00517	-0,00046	...
15	2,322266	2,321777	2,322021	34,00425	-0,00046	0,001891	+++
16	2,322021	2,321777	2,321899	34,00189	-0,00046	0,000714	+++
17	2,321899	2,321777	2,321838	34,00071	-0,00046	0,000125	+++
18	2,321838	2,321777	2,321808	34,00013	-0,00046	-0,00017	...
19	2,321838	2,321808	2,321823	34,00013	-0,00017	-2,2E-05	...
20	2,321838	2,321823	2,321831	34,00013	-2,2E-05	5,18E-05	+++
21	2,321831	2,321823	2,321827	34,00005	-2,2E-05	1,5E-05	+++
22	2,321827	2,321823	2,321825	34,00001	-2,2E-05	-3,4E-06	...
23	2,321827	2,321825	2,321826	34,00001	-3,4E-06	5,79E-06	+++
24	2,321826	2,321825	2,321826	34,00001	-3,4E-06	1,19E-06	+++
25	2,321826	2,321825	2,321825	34	-3,4E-06	-1,1E-06	...
26	2,321826	2,321825	2,321825	34	-1,1E-06	4,43E-08	+++
27	2,321825	2,321825	2,321825	34	-1,1E-06	-5,3E-07	...
28	2,321825	2,321825	2,321825	34	-5,3E-07	-2,4E-07	...
29	2,321825	2,321825	2,321825	34	-2,4E-07	-9,9E-08	...
30	2,321825	2,321825	2,321825	34	-9,9E-08	-2,8E-08	...
31	2,321825	2,321825	2,321825	34	-2,8E-08	8,41E-09	+++
32	2,321825	2,321825	2,321825	34	-2,8E-08	-9,6E-09	...
33	2,321825	2,321825	2,321825	34	-9,6E-09	-5,7E-10	...
34	2,321825	2,321825	2,321825	34	-5,7E-10	3,92E-09	+++
35	2,321825	2,321825	2,321825	34	-5,7E-10	1,67E-09	+++
36	2,321825	2,321825	2,321825	34	-5,7E-10	5,5E-10	+++
37	2,321825	2,321825	2,321825	34	-5,7E-10	-1,2E-11	...
38	2,321825	2,321825	2,321825	34	-1,2E-11	2,69E-10	+++
39	2,321825	2,321825	2,321825	34	-1,2E-11	1,29E-10	+++
40	2,321825	2,321825	2,321825	34	-1,2E-11	5,87E-11	+++
41	2,321825	2,321825	2,321825	34	-1,2E-11	2,36E-11	+++
42	2,321825	2,321825	2,321825	34	-1,2E-11	6,03E-12	+++
43	2,321825	2,321825	2,321825	34	-1,2E-11	-2,7E-12	...
44	2,321825	2,321825	2,321825	34	-2,7E-12	1,64E-12	+++
45	2,321825	2,321825	2,321825	34	-2,7E-12	-5,5E-13	...
46	2,321825	2,321825	2,321825	34	-5,5E-13	5,47E-13	+++
47	2,321825	2,321825	2,321825	34	-5,5E-13	0	...
48	2,321825	2,321825	tak ada akar	34	0	#VALUE!	#VALUE!
49	#VALUE!	#VALUE!	#VALUE!	#VALUE!	#VALUE!	#VALUE!	#VALUE!
						-17
						-17