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Let P(n) represent the statement that 'f(n) is divisible by 19'. For the basis step, I prove that P(1) is true: f(1) = 3^3(1)-2+ 2³⁽¹⁾⁺¹ = 19. 19 is divisible by 19 so P(1) is true. I...

Before starting, it is important to note that the property market is different to other markets as building new houses/flats takes time, so the supply of accomodation cannot be increased quickly. Therefor...

The imparfait and passé simple work together to narrate the past: imparfait is used to describe actions that took place over a certain period of time in the past, and it is used for description, whereas t...

This is one of the most complex questions for Spanish learners, as both verbs mean 'to be'. This can cause confusion even for advanced learners, and so if you study it well now it will set you up with a s...

For a vechicle placed on a convex bridge: N=mg-F_cf. For a vehicle placed on a concave bridge: N=mg+F_cf. Where mg is the gravitational force and F_cf is the centrifugal forc...