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Integrate 1/((1-x^2)^(1/2)) by substitution

arcsin(x) + c
TD
Answered by Tutor94163 D. • Maths tutor
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Explain factors that affect government expediture

Government expenditure should be split into two parts; Current expenditure, on things like civil servants salaries, and capital expenditure. Increased govenrment spending is an example of exspansiary fiscal ...
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Answered by Fergus C. • Economics tutor
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Can you explain communication accommodation theory?

The socio-linguist, Howard Giles, came up with the concept of 'Communication Accomodation Theory' to demonstrate how we change our language and the way we speak depending on who we are speaking to. His theor...
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y' = (2x)/(y+1). Solve for y.

y' = dy/dx = (2x)/(y+1) Separate x's and y's in this case. y + 1 dy = 2x dx Now integrate both sides. (y 2 )/2 + y = (2x 2 )/ 2 + C Don't forget the constant. (y 2 )/2 + y = x 2 + C
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Answered by Daniel M. • Maths tutor
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Partout les jeunes écoutent de plus en plus de musique. La musique est maintenant une partie essentielle de la vie quotidienne. Pourquoi est-ce que la musique est si populaire? A votre avis, l'influence de la musique est-elle positive ou négative?

La popularité de la musique dans le monde d'aujourd'hui est indéniable. On la retrouve dans tous les aspects de la société. Par exemple, les publicités à la télé sont très souvent associées à des chansons po...
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Answered by Marie Y. • French tutor
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