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Questions which ask for you to rationalize the denominator usually includes an integer and a square root of a number (x+sqrt(y)).We can use the following formula to our advantage: (a+b)(a-b)=a^2-b^2. ...
A triangle number is a number such that it is the sum of n consecutive integers, starting from 0. Eg 1, 1+2, 1+2+3... are the first 3 triangle numbers. The formula for the nth triangle number is well-know...
We have that x2 + y2 + 6x - 2y - 10 = (x+3)2 + (y-1)2 - 20 = 0 (step was motivated by the equation of a general circle (x-a)2 + (y-b)2 = ...
Peter Vardy claims that there is no way to justify dysteleology or excess suffering. Evil seems to be more definite than a mere ‘privation of good’ for example Child cruelty is not just the lack of Child...
The approaches differ in terms of views, how they were developed and how they are applied in modern psychology whether it be studies or treating patients. Since the actual content is typically easier to g...
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