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Simplify (k^3)^2

The rule we use here is (a b ) c = a bc Therefore, (k 3 ) 2 = k 6
JB
Answered by James B. • Maths tutor
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Solve 3x² + 6x – 2 = 0. Give your solutions correct to 2 decimal places [calculator paper]

We have a quadratic equation since the highest power of x is 2. Therefore, we can use the quadratic formula, which we recall to be: x = [- b ± √(b² - 4ac) ] / 2a In accordance with the formula, we set a = 3,...
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Answered by Tutor90708 D. • Maths tutor
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A patient comes to you saying they have lost peripheral vision. What is the diagnosis?

This is a classic style of Oxbridge interview question, where the candidate is presented with a question on a topic they won't have seen before, and is expected to work logically using the information provid...
AT
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What is differentiation and how is it used?

Differentiation is a branch of calculus mathematics used to determine the rate of change between certain variables. For example if an object changes its distance x over a certain time interval t, we can use ...
AB
Answered by Alper B. • Maths tutor
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Answered by Vicente O. • Physics tutor
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