Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
You are not logged in.
Post a reply
Topic review (newest first)
- God
- 2005-10-31 12:05:56
Expand:
(x-2)(x-1-i)(x-4-2i)
That should be your answer.
- Andorin
- 2005-10-31 08:07:02
Hi,
An exercise is my workbook asks to find a cubic equation with roots of 2, 1+j and 4+2j (where j is the the square root of -1). I am lost as to how to work this out. Any chance of someone guiding me through?
Cheers in advance...