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Differentiate equation: f'(x) = (2ax + b) ln(x + (1+x^2)^(1/2)) + ((a + 2d)x^2 + (b + c)x + (c+d)) (1 + x^2)^(-1/2).

Select correct values for constants to get:

i) x ln(x + (1+x^2)^(1/2)) - ...

Practice! While the TSA differs from ordinary school exams in that there is no content to revise for as such, it is not the case that there is nothing to prepare for! There is a definite skill to answerin...

First of all, remember to stay calm when approaching these questions and know that it is okay if you don't see the pattern immediately. Give yourself time to work out the rules and then finding the answer...

Skim the read the question, picking out the key detail. Practice and practice so you are able to notice patterns and specific rules to follow

We are given; a₁ = 2, a₂ = 6 a_n+1 = a_n / a_n-1 And we want to find a₂₀₁₇. The question is hard because if we tried simply applying t...