El profesor se sorprenderá mucho al ver tu solución correcta😉
suma
_____________ ___________ ___________ ___ / ___ ___ / ___ ___ / ___ \/ 5 / 1 \/ 5 \/ 5 / 1 \/ 5 \/ 5 / 1 \/ 5 ----- - / - - + ----- + - ----- - I* / - + ----- + - ----- + I* / - + ----- 2 \/ 4 2 2 \/ 4 2 2 \/ 4 2
=
_____________ / ___ ___ / 1 \/ 5 \/ 5 - / - - + ----- - ----- \/ 4 2 2
producto
/ _____________\ / ___________\ / ___________\ | ___ / ___ | | ___ / ___ | | ___ / ___ | |\/ 5 / 1 \/ 5 | | \/ 5 / 1 \/ 5 | | \/ 5 / 1 \/ 5 | |----- - / - - + ----- |*|- ----- - I* / - + ----- |*|- ----- + I* / - + ----- | \ 2 \/ 4 2 / \ 2 \/ 4 2 / \ 2 \/ 4 2 /
=
______________ _______________ / ___ / ___ ___ 5 3*\/ -1 + 2*\/ 5 \/ -5 + 10*\/ 5 3*\/ 5 - - ------------------- - ------------------ + ------- 4 4 4 4
5/4 - 3*sqrt(-1 + 2*sqrt(5))/4 - sqrt(-5 + 10*sqrt(5))/4 + 3*sqrt(5)/4
_____________ ___ / ___ \/ 5 / 1 \/ 5 x1 = ----- - / - - + ----- 2 \/ 4 2
___________ ___ / ___ \/ 5 / 1 \/ 5 x2 = - ----- - I* / - + ----- 2 \/ 4 2
___________ ___ / ___ \/ 5 / 1 \/ 5 x3 = - ----- + I* / - + ----- 2 \/ 4 2
x3 = -sqrt(5)/2 + i*sqrt(1/4 + sqrt(5)/2)
x1 = -1.11803398874989 - 1.16962985117083*i
x2 = -1.11803398874989 + 1.16962985117083*i
x3 = 0.186350572159316
x3 = 0.186350572159316