454 results.
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Ugur's copy of Find points of intersection, tangents, and angles between parametric curves Ready to useQuestion in Ugur's workspace
Intersection points, tangent vectors, angles between pairs of curves, given in parametric form.
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Question in Ugur's workspace
Divergence of vector fields.
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Question in Ugur's workspace
Directional derivative of a scalar field.
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Question in Ugur's workspace
Gradient of $f(x,y,z)$.
Should warn that multiplied terms need * to denote multiplication.
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Question in Matemática A - 12.º Ano
Inverse and division of complex numbers. Four parts.
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Question in Content created by Newcastle University
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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Question in Content created by Newcastle University
Find modulus and argument of two complex numbers. Then use De Moivre's Theorem to find positive powers of the complex numbers.
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Question in Content created by Newcastle University
Find modulus and argument of the complex number $z_1$ and find the $n$th roots of $z_1$ where $n=5,\;6$ or $7$.
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Question in Content created by Newcastle University
Factorise $\displaystyle{ax ^ 2 + bx + c}$ into linear factors.
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Question in Content created by Newcastle University
Rolling a pair of dice. Find probability that at least one die shows a given number.
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Question in Content created by Newcastle University
Express $\displaystyle \frac{a}{x + b} \pm \frac{c}{x + d}$ as an algebraic single fraction over a common denominator.
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Question in Content created by Newcastle University
Using a given list of four complex numbers, find by inspection the one that is a root of a given cubic real polynomial and hence find the other roots.
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Question in Content created by Newcastle University
Putting a pair of linear equations into matrix notation and then solving by finding the inverse of the coefficient matrix.
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Question in Content created by Newcastle University
Given normal distribution $\operatorname{N}(m,\sigma^2)$ find $P(a \lt X \lt b),\; a \lt m,\;b \gt m$ and also find the value of $X$ corresponding to a given percentile $p$%.
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Question in Content created by Newcastle University
Find $\displaystyle \int \frac{2ax + b}{ax ^ 2 + bx + c}\;dx$
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Question in Content created by Newcastle University
Questions testing understanding of the index laws.
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Question in Content created by Newcastle University
Questions testing rather basic understanding of the index laws.
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Question in Content created by Newcastle University
Find $\displaystyle \frac{a} {b + \frac{c}{d}}$ as a single fraction in the form $\displaystyle \frac{p}{q}$ for integers $p$ and $q$.
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Question in Content created by Newcastle University
Two questions testing the application of the Sine Rule when given two angles and a side. In this question, the triangle is always acute.
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Question in Content created by Newcastle University
A question testing the application of the Cosine Rule when given two sides and an angle. In this question, the triangle is always obtuse and both of the given side lengths are adjacent to the given angle (which is the obtuse angle).
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Question in Content created by Newcastle University
Add/subtract fractions and reduce to lowest form.
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Question in Content created by Newcastle University
Express $\displaystyle \frac{ax+b}{x + c} \pm \frac{dx+p}{x + q}$ as an algebraic single fraction over a common denominator.
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Question in Content created by Newcastle University
Find the equation of a straight line which has a given gradient $m$ and passes through the given point $(a,b)$.
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Question in Content created by Newcastle University
Inverse and division of complex numbers. Four parts.
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Question in Content created by Newcastle University
Differentiate $f(x) = (a x + b)/ \sqrt{c x + d}$ and find $g(x)$ such that $ f^{\prime}(x) = g(x)/ (2(c x + d)^{3/2})$.
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Question in Content created by Newcastle University
Two questions testing the application of the Cosine Rule when given two sides and an angle. In these questions, the triangle is always acute and both of the given side lengths are adjacent to the given angle.
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Question in Content created by Newcastle University
Three parts, where the student has to collect together polynomials in $\mathbb{Z}_3$, $\mathbb{Z}_5$ and $\mathbb{Z}_7$, respectively.
The answer to part a has no $X$ term, because they cancel out.
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Question in Content created by Newcastle University
Choose which of 5 matrices are in a) row echelon form but not reduced b) reduced row echelon form c) neither.
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Question in Content created by Newcastle University
Two sample t-test to see if there is a difference between scores on questions between two groups when the questions are asked in a different order.
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Question in Content created by Newcastle University
Differentiate $\displaystyle \cos(e^{ax}+bx^2+c)$