El profesor se sorprenderá mucho al ver tu solución correcta😉
suma
________________ / ________________\ ________________ / ________________\ ________________ / _____ | / _____ | / _____ | / _____ | / _____ / 27 3*\/ 105 | ___ / 27 3*\/ 105 | / 27 3*\/ 105 | ___ / 27 3*\/ 105 | / 27 3*\/ 105 3 / -- + --------- | ___ \/ 3 *3 / -- + --------- | 3 / -- + --------- | ___ \/ 3 *3 / -- + --------- | 3 / -- + --------- 1 \/ 8 8 | \/ 3 \/ 8 8 | 1 \/ 8 8 | \/ 3 \/ 8 8 | 1 \/ 8 8 - ----------------------- + --------------------- + I*|----------------------- + ---------------------------| + - ----------------------- + --------------------- + I*|- ----------------------- - ---------------------------| + ----------------------- - --------------------- ________________ 6 | ________________ 6 | ________________ 6 | ________________ 6 | ________________ 3 / _____ | / _____ | / _____ | / _____ | / _____ / 27 3*\/ 105 | / 27 3*\/ 105 | / 27 3*\/ 105 | / 27 3*\/ 105 | / 27 3*\/ 105 4*3 / -- + --------- |4*3 / -- + --------- | 4*3 / -- + --------- | 4*3 / -- + --------- | 2*3 / -- + --------- \/ 8 8 \ \/ 8 8 / \/ 8 8 \ \/ 8 8 / \/ 8 8
=
/ ________________\ / ________________\ | / _____ | | / _____ | | ___ / 27 3*\/ 105 | | ___ / 27 3*\/ 105 | | ___ \/ 3 *3 / -- + --------- | | ___ \/ 3 *3 / -- + --------- | | \/ 3 \/ 8 8 | | \/ 3 \/ 8 8 | I*|- ----------------------- - ---------------------------| + I*|----------------------- + ---------------------------| | ________________ 6 | | ________________ 6 | | / _____ | | / _____ | | / 27 3*\/ 105 | | / 27 3*\/ 105 | | 4*3 / -- + --------- | |4*3 / -- + --------- | \ \/ 8 8 / \ \/ 8 8 /
producto
/ ________________ / ________________\\ / ________________ / ________________\\ / ________________\ | / _____ | / _____ || | / _____ | / _____ || | / _____ | | / 27 3*\/ 105 | ___ / 27 3*\/ 105 || | / 27 3*\/ 105 | ___ / 27 3*\/ 105 || | / 27 3*\/ 105 | | 3 / -- + --------- | ___ \/ 3 *3 / -- + --------- || | 3 / -- + --------- | ___ \/ 3 *3 / -- + --------- || | 3 / -- + --------- | | 1 \/ 8 8 | \/ 3 \/ 8 8 || | 1 \/ 8 8 | \/ 3 \/ 8 8 || | 1 \/ 8 8 | |- ----------------------- + --------------------- + I*|----------------------- + ---------------------------||*|- ----------------------- + --------------------- + I*|- ----------------------- - ---------------------------||*|----------------------- - ---------------------| | ________________ 6 | ________________ 6 || | ________________ 6 | ________________ 6 || | ________________ 3 | | / _____ | / _____ || | / _____ | / _____ || | / _____ | | / 27 3*\/ 105 | / 27 3*\/ 105 || | / 27 3*\/ 105 | / 27 3*\/ 105 || | / 27 3*\/ 105 | | 4*3 / -- + --------- |4*3 / -- + --------- || | 4*3 / -- + --------- | 4*3 / -- + --------- || |2*3 / -- + --------- | \ \/ 8 8 \ \/ 8 8 // \ \/ 8 8 \ \/ 8 8 // \ \/ 8 8 /
=
-1/4
-1/4
________________ / ________________\ / _____ | / _____ | / 27 3*\/ 105 | ___ / 27 3*\/ 105 | 3 / -- + --------- | ___ \/ 3 *3 / -- + --------- | 1 \/ 8 8 | \/ 3 \/ 8 8 | x1 = - ----------------------- + --------------------- + I*|----------------------- + ---------------------------| ________________ 6 | ________________ 6 | / _____ | / _____ | / 27 3*\/ 105 | / 27 3*\/ 105 | 4*3 / -- + --------- |4*3 / -- + --------- | \/ 8 8 \ \/ 8 8 /
________________ / ________________\ / _____ | / _____ | / 27 3*\/ 105 | ___ / 27 3*\/ 105 | 3 / -- + --------- | ___ \/ 3 *3 / -- + --------- | 1 \/ 8 8 | \/ 3 \/ 8 8 | x2 = - ----------------------- + --------------------- + I*|- ----------------------- - ---------------------------| ________________ 6 | ________________ 6 | / _____ | / _____ | / 27 3*\/ 105 | / 27 3*\/ 105 | 4*3 / -- + --------- | 4*3 / -- + --------- | \/ 8 8 \ \/ 8 8 /
________________ / _____ / 27 3*\/ 105 3 / -- + --------- 1 \/ 8 8 x3 = ----------------------- - --------------------- ________________ 3 / _____ / 27 3*\/ 105 2*3 / -- + --------- \/ 8 8
x3 = -(27/8 + 3*sqrt(105)/8)^(1/3)/3 + 1/(2*(27/8 + 3*sqrt(105)/8)^(1/3))
x1 = -0.385458498529624
x2 = 0.192729249264812 - 0.781942255263478*i
x3 = 0.192729249264812 + 0.781942255263478*i
x3 = 0.192729249264812 + 0.781942255263478*i