Use non-calculator to find the value of the modulus of a complex number
This is the question : The complex number w has modulus r . Given that w satisfied 500/w = 3|w| + 40i . Use a non-calculator method to find the value of r...
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This is the question : The complex number w has modulus r . Given that w satisfied 500/w = 3|w| + 40i . Use a non-calculator method to find the value of r...
I don't understand why for $f(x) = \sin(x)$, $\;f^{(n)}(x) = \sin(n\pi/2 + x)$ It does not make sense to me; can anyone help with the reasoning? Than...
I heard the term "odd prime" often. Isn't it redundant? If $n$ is even then $2$ divides $n$ so it's not prime. Why is "odd" emphasized?
The pin code is 4 digits between 0-9 Can be entered in any order e.g 1234 4231 1324 will all work has no repeating numbers writing them all out i have 194...
When I tried solving for d I got the following: B1 = { -1 < x < 1 } B2 = { -2 < x < 2 } B3 = { -3 < x < 3 } B4 = { -4 < x < 4 } B5...
If I have two points on a Cartesian plane, and I know that they are connected by a cycloid, then how do I find the equation for that cycloid? For backgrou...
Problem: Suppose that $X_1,X_2,\dots$ are i.i.d. nonnegative integer-valued random variables with common CDF $F(x)$. Assume that $F(0)<1$ and let $F^{(...
I am asked to find the equation from the following graph: Am I correct in saying the answer is: ${3 \sin(3x)}$ because the amplitude is 3 and the curve re...
so you have the equation: $$0.0850= \frac{x}{0.125} $$ How do you solve for x?
$\dot x_1 = x_1(1 + x_2)$ $\dot x_2 = -x_2 + x_2^2 + (x_1x_2) - x_1^3$ I have set the left hand side to zero to solve and came out with $x_1 = 0$ everywhe...