Evaluate: x4-4x3+4x2+8x+44,where x=3+2i
Answers
Answered by
33
...here is your answer....
Attachments:
rajiv3215:
most welcome
Thank u soo much
most welcome...kya aap class XI me hai
Ha
Aap
i also
Ooo same same
Thanx
wlcm
Answered by
4
Answer:
5
Step-by-step explanation:
x-3i=2i squaring both sides!
we get x²-6x+13=0..........1stequation
x⁴-4x³+4x²+8x+44
=x⁴-6x³+13x²+2x³-12x²+26x+3x²-18x+39 +5
=x²(x²-6x+13) + 2x (x²-6x-13) + 3 (x²-6x+13) + 5
=x²×0+2x×0+3×0+5
=5 from 1st equation.
Similar questions