El profesor se sorprenderá mucho al ver tu solución correcta😉
2 2 x + 2*x + 2 x + 8*x + 20 ------------ + ------------- = 0 x + 1 x + 4
______________ / ______________ \ / ______ | / ______ | / 9 \/ 1641 | ___ / 9 \/ 1641 | 3 / - + -------- | \/ 3 *3 / - + -------- ___ | 5 \/ 8 36 1 | \/ 8 36 \/ 3 | x1 = - - - ------------------- + ---------------------- + I*|- ------------------------- - ----------------------| 2 2 ______________ | 2 ______________| / ______ | / ______ | / 9 \/ 1641 | / 9 \/ 1641 | 24*3 / - + -------- | 24*3 / - + -------- | \/ 8 36 \ \/ 8 36 /
______________ / ______________ \ / ______ | / ______ | / 9 \/ 1641 | ___ / 9 \/ 1641 | 3 / - + -------- |\/ 3 *3 / - + -------- ___ | 5 \/ 8 36 1 | \/ 8 36 \/ 3 | x2 = - - - ------------------- + ---------------------- + I*|------------------------- + ----------------------| 2 2 ______________ | 2 ______________| / ______ | / ______ | / 9 \/ 1641 | / 9 \/ 1641 | 24*3 / - + -------- | 24*3 / - + -------- | \/ 8 36 \ \/ 8 36 /
______________ / ______ 5 / 9 \/ 1641 1 x3 = - - + 3 / - + -------- - ---------------------- 2 \/ 8 36 ______________ / ______ / 9 \/ 1641 12*3 / - + -------- \/ 8 36
x3 = -5/2 - 1/(12*(9/8 + sqrt(1641)/36)^(1/3)) + (9/8 + sqrt(1641)/36)^(1/3)
suma
______________ / ______________ \ ______________ / ______________ \ / ______ | / ______ | / ______ | / ______ | / 9 \/ 1641 | ___ / 9 \/ 1641 | / 9 \/ 1641 | ___ / 9 \/ 1641 | ______________ 3 / - + -------- | \/ 3 *3 / - + -------- ___ | 3 / - + -------- |\/ 3 *3 / - + -------- ___ | / ______ 5 \/ 8 36 1 | \/ 8 36 \/ 3 | 5 \/ 8 36 1 | \/ 8 36 \/ 3 | 5 / 9 \/ 1641 1 - - - ------------------- + ---------------------- + I*|- ------------------------- - ----------------------| + - - - ------------------- + ---------------------- + I*|------------------------- + ----------------------| + - - + 3 / - + -------- - ---------------------- 2 2 ______________ | 2 ______________| 2 2 ______________ | 2 ______________| 2 \/ 8 36 ______________ / ______ | / ______ | / ______ | / ______ | / ______ / 9 \/ 1641 | / 9 \/ 1641 | / 9 \/ 1641 | / 9 \/ 1641 | / 9 \/ 1641 24*3 / - + -------- | 24*3 / - + -------- | 24*3 / - + -------- | 24*3 / - + -------- | 12*3 / - + -------- \/ 8 36 \ \/ 8 36 / \/ 8 36 \ \/ 8 36 / \/ 8 36
=
/ ______________ \ / ______________ \ | / ______ | | / ______ | | ___ / 9 \/ 1641 | | ___ / 9 \/ 1641 | |\/ 3 *3 / - + -------- ___ | | \/ 3 *3 / - + -------- ___ | 15 | \/ 8 36 \/ 3 | | \/ 8 36 \/ 3 | - -- + I*|------------------------- + ----------------------| + I*|- ------------------------- - ----------------------| 2 | 2 ______________| | 2 ______________| | / ______ | | / ______ | | / 9 \/ 1641 | | / 9 \/ 1641 | | 24*3 / - + -------- | | 24*3 / - + -------- | \ \/ 8 36 / \ \/ 8 36 /
producto
/ ______________ / ______________ \\ / ______________ / ______________ \\ | / ______ | / ______ || | / ______ | / ______ || | / 9 \/ 1641 | ___ / 9 \/ 1641 || | / 9 \/ 1641 | ___ / 9 \/ 1641 || / ______________ \ | 3 / - + -------- | \/ 3 *3 / - + -------- ___ || | 3 / - + -------- |\/ 3 *3 / - + -------- ___ || | / ______ | | 5 \/ 8 36 1 | \/ 8 36 \/ 3 || | 5 \/ 8 36 1 | \/ 8 36 \/ 3 || | 5 / 9 \/ 1641 1 | |- - - ------------------- + ---------------------- + I*|- ------------------------- - ----------------------||*|- - - ------------------- + ---------------------- + I*|------------------------- + ----------------------||*|- - + 3 / - + -------- - ----------------------| | 2 2 ______________ | 2 ______________|| | 2 2 ______________ | 2 ______________|| | 2 \/ 8 36 ______________| | / ______ | / ______ || | / ______ | / ______ || | / ______ | | / 9 \/ 1641 | / 9 \/ 1641 || | / 9 \/ 1641 | / 9 \/ 1641 || | / 9 \/ 1641 | | 24*3 / - + -------- | 24*3 / - + -------- || | 24*3 / - + -------- | 24*3 / - + -------- || | 12*3 / - + -------- | \ \/ 8 36 \ \/ 8 36 // \ \/ 8 36 \ \/ 8 36 // \ \/ 8 36 /
=
-14
-14
x1 = -3.12341390343152 - 1.18993053787824*i
x2 = -3.12341390343152 + 1.18993053787824*i
x3 = -1.25317219313695
x3 = -1.25317219313695