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In order to answer this question, the expression on the left side of the equation needs to be factorised. This can be done in three stages. 1) finding a factor by subbing in common integers (0, +/- 1, +/-...
The function y = (3x2+2x+5)10 is an example of a "function within a function", which means the thing in the brackets is a function itself, and it's being raised to the powe...
Log base 10log(x)=4 ~ 104 =xx=10000
x = -1/3 and y = 1/3 or x = -1/7 and y = -3/7
We know that tan x = sin x/cos x and so tan2x = sin2x/cos2x. We also know that sin2x + cos2x = 1 because this is a Pythagorean identity. We can rewri...
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