Ask a New Question

Question

find the remaining zeros of f.
degree 4 zeros i, -18+i

enter the remaining zeros of f

please help me out!
13 years ago

Answers

Reiny
complex roots always come in conjugate pairs,
so the roots are ±i and -18+i and -18-i

so you would have
(x+i)(x-i)(x+ 18-i)(x+18+i)=0
(x^2 + 1)(x^2 + 18x + xi + 18x + 324 + 18i - xi - 18i - i^2) = 0
(x^2 + 1)(x^2 + 36x +324 + 1) = 0
(x^2 + 1)(x^2 + 36x + 325) = 0

expand again, and simplify
13 years ago

Related Questions

find the remaining 5 trigometric functions of x cos x = 1/5, x in quadrant 1 find the remaining sides and angles for the triangle ABC, if b=48 m<a=36 degrees and angle C is a ri... Find the remaining trigonometric ratios of θ if sin(θ) = -1/6 and θ is not in QIII cos tan cot... Find the remaining trigonometric ratios of θ if sin(θ) is given and θ QI sin(θ)=7/sqrt 149 cos=... Find the remaining zeros of the following polynomial given the P(i)=0. x^4-8x^3+14x^2-8x+13 Find the value of the remaining components of a common emmitter amplifer circuit given Ic=3mA, Tr=ZT... Find the value of the remaining components of a common emmitter single stage amplifier circuit give... Find the remaining trigonometric values if sin=-3/5 and theta terminates in Quadrent four. I'm no... How do I find the remaining frequencies? I believe the entire frequency distribution is 2,6,12,12,6... Find the value of the remaining variable in the formula. A =1/2h(b+B) ​(area of a​ trapezoid);  A...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use