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By consdering partial fractions find the integral of (1-x)/(5x-6-x^2) between x = 1 and x = 0, give your answer in an exact form.

The answer is Ln8/9, by first converting (1-x)/(5x-6-x^2) into partial fractions you get 1/(2-x) + 2/(x-3), the next step is a simple integration by inspection followed by log manipulations to get the fin...

Answered by Omar A. • Maths tutor

3648 Views

Describe the structure of a DNA molecule and explain how this relates to its function.

DNA is made up of two nucleic acid strands joined by hydrogen bonding. Nucleic acids are polymers made up of many nucleotide monomers linked together by phosphodiester bonds. This type of bond is a covale...

Answered by Emily O. • Biology tutor

70872 Views

When should I use the subjunctive?

It can be difficult to decide when to use the subjunctive tense, however there are certain conditions and phrases which trigger the subjunctive, and when you can recognise these, the subjunctive becomes m...

Answered by Emily D. • French tutor

2769 Views

To what extent may Chartism be considered a successful movement? (Pre-U Specimen paper 13, 2019)

Historiographical orthodoxy has long considered Chartism to have been a failure. However, revisionist historians have emphasised how many proposals of the 'People's Charter' (published in 1838) were succe...

Answered by Freddie V. • History tutor

12433 Views

An airplane accelerates steadily from rest to 355 m/s, after travelling a distance of 105,000 m. How long, in minutes, does it take the airplane to reach this speed?

The first step is to identify which components of the ‘SUVAT equations of motion’ the question gives us. Here we have the initial (u) and final (v) speeds, the distance (s) and ...

Answered by Rachael T. • Physics tutor

3173 Views