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18 results.

Modulus and argument complex numbers
Ready to use
Question in Content created by Newcastle University by Newcastle University Mathematics and Statistics

Finding the modulus and argument (in radians) of four complex numbers; the arguments between $-\pi$ and $\pi$ and careful with quadrants!
De Moivre's Theorem: Positive Powers
Ready to use
Question in Content created by Newcastle University by Newcastle University Mathematics and Statistics

Find modulus and argument of two complex numbers. Then use De Moivre's Theorem to find positive powers of the complex numbers.
De Moivre's Theorem: $n$ th roots of a complex number
Ready to use
Question in Content created by Newcastle University by Newcastle University Mathematics and Statistics

Find modulus and argument of the complex number $z_1$ and find the $n$ th roots of $z_1$ where $n=5,\;6$ or $7$ .
Indefinite integral of improper polynomial fraction
Draft
Question in Content created by Newcastle University by Newcastle University Mathematics and Statistics

Find $\displaystyle \int \frac{nx^3+mx^2+nx + p}{1+x^2}\;dx$ . Solution involves $\arctan$ .
Integral of improper polynomial fraction
Draft
Question in Content created by Newcastle University by Newcastle University Mathematics and Statistics

Find $\displaystyle \int\frac{ax^3+ax+b}{1+x^2}\;dx$ . Enter the constant of integration as $C$ .
Integral of improper polynomial fraction
Draft
Question in Content created by Newcastle University by Newcastle University Mathematics and Statistics

Find $\displaystyle \int \frac{nx^3+mx^2+nx + p}{1+x^2}\;dx$ . Solution involves $\arctan$ .
Integrate algebraic fraction
Draft
Question in Content created by Newcastle University by Newcastle University Mathematics and Statistics

Find $\displaystyle \int\frac{ax^3+ax+b}{1+x^2}\;dx$ . Enter the constant of integration as $C$ .
How to enter functions - Getting Started
Ready to use
Question in Content created by Newcastle University by Newcastle University Mathematics and Statistics and 1 other

Dealing with functions in Numbas.
Trigonometric functions of a triangle
Has some problems
Question in Content created by Newcastle University by Newcastle University Mathematics and Statistics and 1 other

Questions on right-angled triangles asking for the calculation of angles using inverse-trigonometrical functions.
De Moivre's Theorem: Negative Powers
Draft
Question in Content created by Newcastle University by Newcastle University Mathematics and Statistics

Find modulus and argument of two complex numbers. Then use De Moivre's Theorem to find negative powers of the complex numbers.
Julie's copy of First order differential equations 4
Draft
Question in Julie's workspace by Julie Crowley

Find the solution of $\displaystyle \frac{dy}{dx}=\frac{1+y^2}{a+bx}$ which satisfies $y(1)=c$

rebelmaths
Input 6
Ready to use
Question in Christian's workspace by Christian Lawson-Perfect

Instructions on dealing with functions in Numbas.
Sabri's copy of Graham's copy of Graham's copy of Complex Numbers: Modulus, Argument
Ready to use
Question in Sabri's workspace by Sabri Al-Safi

Finding the modulus and argument (in radians) of four complex numbers; the arguments between $0$ and $2 \pi$ and careful with quadrants!
Graham's copy of Complex Numbers: Modulus, Argument
Ready to use
Question in Graham's workspace by Graham Wynn

Finding the modulus and argument (in radians) of four complex numbers; the arguments between $-\pi$ and $\pi$ and careful with quadrants!
Graham's copy of Graham's copy of Complex Numbers: Modulus, Argument
Ready to use
Question in Graham's workspace by Graham Wynn

Finding the modulus and argument (in radians) of four complex numbers; the arguments between $-\pi$ and $\pi$ and careful with quadrants!
David's copy of Complex Numbers: Modulus, Argument
Ready to use
Question in David's workspace by David Rickard

Finding the modulus and argument (in radians) of four complex numbers; the arguments between $-\pi$ and $\pi$ and careful with quadrants!
Complex Numbers: Modulus, Argument
Ready to use
Question in Christoph's workspace by Christoph Walti

Finding the modulus and argument (in radians) of four complex numbers; the arguments between $-\pi$ and $\pi$ and careful with quadrants!
Complex Numbers: Modulus, Argument
Ready to use
Question in Bill's workspace by Bill Foster

Finding the modulus and argument (in radians) of four complex numbers; the arguments between $-\pi$ and $\pi$ and careful with quadrants!

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