




Card 6 / 8:
De Moivre’s Theorem
formula used to find the n th power or n th roots of a complex number; states that, for a positive integer n , z n is found by raising the modulus to the n th power and multiplying the angles by n

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Questions & Answers
sinx sin2x is linearly dependent
The reciprocal of a number is 1 divided by a number. eg the reciprocal of 10 is 1/10 which is 0.1
Shemmy
Reciprocal is a pair of numbers that, when multiplied together, equal to 1. Example; the reciprocal of 3 is ⅓, because 3 multiplied by ⅓ is equal to 1
Jeza
each term in a sequence below is five times the previous term what is the eighth term in the sequence
I don't understand how radicals works pls
How look for the general solution of a trig function
stock therom F=(x2+y2) i2xy J jaha x=a y=o y=b
sinx sin2x is linearly dependent
cr
root under 3root under 2 by 5 y square
The sum of the first n terms of a certain series is 2^n1, Show that , this series is Geometric and Find the formula of the n^th
why two x + seven is equal to nineteen.
The numbers cannot be combined with the x
Othman
2x +7=19.
2x=19  7
2x=12
x=6
Yvonne
what is the best practice that will address the issue on this topic? anyone who can help me. i'm working on my action research.
simplify each radical by removing as many factors as possible (a) √75
how is infinity bidder from undefined?
what is the value of x in 4x2+3
give the complete question
Shanky
4x=32
4x=1
x=1+4
x=5
5x
Olaiya
hi can you give another equation I'd like to solve it
Daniel
what is the value of x in 4x2+3
Olaiya
if 4x2+3 = 0
then
4x = 23
4x = 1
x = (1÷4) is the answer.
Jacob
4x2+3
4x=3+2
4×=1
4×/4=1/4
LUTHO
4x2+3
4x=3+2
4x=1
4x÷4=1÷4
x=1÷4
LUTHO
A research student is working with a culture of bacteria that doubles in size every twenty minutes. The initial population count was 1350 bacteria. Rounding to five significant digits, write an exponential equation representing this situation. To the nearest whole number, what is the population size after 3 hours?
f(x)= 1350. 2^(t/20); where t is in hours.
Merkeb
Source:
OpenStax, Algebra and trigonometry. OpenStax CNX. Nov 14, 2016 Download for free at https://legacy.cnx.org/content/col11758/1.6
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