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How do you solve, dy/dx=(x^2+y^2)/xy?

Substitute y/x = z then separate the variables and integrate.
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A diver of mass 60kg stands on the end of a diving board (2m in length). Calculate the upward force exerted on the retaining spring which is 30cm from the start of the diving board.

Here we have a typical moments question. The start of the diving board is the pivot (draw a picture)To answer this question we need to know that sum of the clockwise moments must equal the sum of the anticlo...
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Answered by Sophie A. • Physics tutor
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Solve the simultaneous equations: 5x + y = 21 and x - 3y = 9

x = 4.5y = -1.5To answer this question, first, rearrange the first equation to make y the subject: 5x + y = 21 --> y = 21 - 5xYou can now substitute this value of y into the second equation: x - 3(21 - 5x...
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Answered by Sophie A. • Maths tutor
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Evaluate the relevance of Baudrillard's theory to LFTVDs. (10 marks)

Baudrillard argues that due to being in a state of postmodernism, we no longer able to distinguish reality from a simulacrum of reality- what Baudrillard refers to as hyperreality. In address to the question...
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How do you solve integrals which are the result of a chain rule e.g. the integral of sin(2x+1)

∫sin(2x + 1)dx[newline]In this case the easiest way to solve the integral is to perform a substitution. The substitution should reduce the integral to something you can solve. In this case we will[newline]le...
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Answered by Sean N. • Maths tutor
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