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How to factorise quadratic equations?

There are different ways of factoring an equation depending on the type. A few are highlighted here: 1) Taking out a common factor General formula : ab + ac = a ( b+ c) Step 1: realise that all terms of the ...
LB
Answered by Lydia B. • Maths tutor
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find the integral for xe^10x

for this type of question, integral by parts should be used . This involves using the formula for intregation by parts: lets first break apart the x and e 10x into two parts - "u" and "v"...
CS
Answered by Carl S. • Maths tutor
14884 Views

How to approximate the Binomial distribution to the Normal Distribution

X~Binomial (n,p) with n= fixed number of independent trials and p= probability of a trail succeeding. X ~Binomial can be approximated to Y~ Normal if: 1) The number of trials, n, is large 2) Probability of s...
LS
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Given a table showing grouped data and the frequency of each class, find the median Q2

Step 1: Add a cumulative frequency column to the table Step2: Use the formula n/2 (where n is the final total in the cumulative frequency column) to find the class the median, Q 2 , is in. Let n/2= a, so tha...
LS
Answered by Lesedi S. • Maths tutor
10588 Views

How can "Assessment Objectives" be incorporated in an essay?

"Assessment Objectives" are the guidelines by which an essay can be structured and are useful in that they provide a framework for knowing how an essay may be assessed. There are five Assessment Ob...
GC
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