Find the value of x³+x²+x+46, if x = 2+3i.
Answers
Answered by
6
Step-by-step explanation:
x = 2+3i
x³ + x² + x + 46
x²(x+1) + x + 46
(2+3i)²(2+3i+1) + 2+3i + 46
(4+9i²+12i)(3i+3) + 3i + 48
(4+9(-1)+12i)(3i+3) + 3i + 48
(12i-5)(3i+3) + 3i + 48
(36i² + 36i - 15i - 15) + 3i + 48
(21i - 51) + 3i + 48
24i - 3
Answered by
16
ur answer mate ✔️✔️
regards ..
Attachments:
Similar questions