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Plan
Before beginning to write an essay, it is vital to write a plan. This won't have to take more than 5 minutes but helps you to write efficiently and with clarity. To ...
Rearrange equation into the form: y = mx + c
m = gradient
3x + 5y = 7
5y = -3x + 7
y = (-3/5)x + (7/5)
gradient = (-3/5)
Einstein introduced the equivalence principle by saying "We ... assume the complete physical equivalence of gravitational field and a corresponding acceleration of the reference system".
The first step is to find the y coordinate at the point on the curve where x = e. To do this we subsitute x = e into the equation of the curve, so y = 2ln(2e - x) becomes y = 2ln(2e - e). Simplifying t...
SInce the question requires simplified surd form, it makes sense to use the quadratic formula immediately for this question.
This would give us
x = 6 [+-] squareroot(36-(4x1...
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