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Rule of thumb for preterite past tense (regulars)

Use quizlet: http://quizlet.com/32347411/rule-of-thumb-spanish-preterite-tense-regular-ar-verbs-flash-cards/ http://quizlet.com/32348383/rule-of-thumb-spanish-preterite-regular-er-and-ir-verbs-flash-cards/ F...
EG
Answered by Elisa G. • Spanish tutor
2230 Views

œintegrate xe4x in respect to x

1/4xe^4x-1/16e^4x +c
MA
Answered by M A. • Maths tutor
4203 Views

The point on the circle x^2+y^2+6x+8y = 75 which is closest to the origin, is at what distance from the origin? (Taken from an MAT paper)

This is a good example of a question where intuition about geometry is important. Completing the square is a standard A level practice to find the equation of a circle. Doing this we get (x+3) 2 -9 +(y+4) 2 ...
JM
Answered by Jack M. • Maths tutor
7715 Views

Can you prove to me why cos^2(X) + sin^2(X) = 1?

The answer to this lies in the geometry of a circle. At GCSE you were taught that a circle has a radius (which I will call R ) which is the distance from the centre to a point on the circle. We put the centr...
JM
Answered by Jack M. • Maths tutor
4258 Views

Examine the view that “‘A Streetcar Named Desire’ is not only the story of a desperate woman, but of a culture in the state of crisis”.

Indeed, Blanche DuBois is a woman in desperation. The initial monologue, ‘I, I, I took the blows’ conveys a gritty, realistic tone as Blanche has witnessed the death of those around her and now has nowhere e...
TD
6794 Views