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Solve the following integral: ∫ arcsin(x)/sqrt(1-x^2) dx

We will solve the integral by part. We know the formula for integration by parts: ∫ f(x)'g(x)dx=f(x)g(x)-∫f(x)g(x)'dx (1) . We know that: (arcsin (x))'=1/sqrt(1-x^2) . So we can write arcsin(x)/sqrt(1-x^2) d...
IC
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Factorise x^2-25

=(x-5)(x+5)
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Answered by Urja P. Maths tutor
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Should maximising profits be the main objective of a business?

In order to answer, one should consider the benefits of profit maximisation. These may include: satisfying shareholders, using money for savings in order to stay afloat, reinvesting profits into technology (...
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Answered by Caitlin D. Economics tutor
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What chemical tests are appropriate to identify Butanoic acid, Propanal and 2-methyl propan-2-ol?

Firstly, to identify butanoic acid, adding a small amount of NaHCO 3 or any metal carbonates would allow effervescence tobe produced. The effervescence produced is CO 2 . To make sure the gas is CO 2 , simpl...
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Answered by Athena I. Chemistry tutor
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Discuss the presentation of pride and prejudice in ‘Pride and Prejudice’

Mrs Hurst and Miss Bingley are, from the very start, prejudiced against Elizabeth, and people from the country. They are described as ‘very fine ladies; not deficient in good humour when they were pleased …....
EH
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