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Let P(n) be the proposition that 2ⁿ⁺² + 3²ⁿ⁺¹ is a multiple of 7 for all positive integers of n.
Let n=12³ + 3³ = 8 + 27 = 35 = 7(5)This is divisible by 7....

A good introduction is clear, concise, and shows the examiner that you have a firm grasp on the relevants concepts and material. I always start my introductions by setting out in a single sentence the mai...

Ideally the student should come up with three key themes for this essay on monstrosity e.g. Infanticide, the murder of Jason's new bride and Medea's manipulation of other characters.The introduction shoul...

DNA replication is used to copy DNA. This process is semi-conservative, meaning the new double helix contains both a parent and a new strand. The process begins during S phase, where helicase unwinds the ...

Aerobic respiration is the controlled released of energy in cells by converting organic molecules into ATP. It invovles the reduction and oxidation of electron carriers. Firstly the link reaction occurs w...