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This is a typical AS-level Maths question.

1. We see it’s a definite integral so start by drawing some big square brackets with the “limits” (2 and 1).

2. We go through the ex...

Fractional distillation is the technique to separate different components present in the crude oil on the basis of their boiling points. Crude oil is a mixture of many useful hydrocarbons and it is very i...

Enzyme are biological catalyst that speeds up the rate of the reaction without being used up. Enzymes speeds up the rate of chemical reaction by providing an alternative route to the reaction which loweri...

To remember what the main characteristics that differentiate classical and modern liberals, divide their differences according to their attitudes towards the main ideological beliefs that define liberalis...

Suburbanisation = is the decentralisation of people, employment, and services from the inner city towards the rural urban fringe.

One effect is that the affluent middle class often move to the subu...