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A circle C with centre at the point (2, –1) passes through the point A at (4, –5). Find an equation for the circle C.

You would start with this equation (x – a) 2 + (y – b) 2 = r 2 , with the center being at the point (a, b) and the radius being "r". Therefore you would have (x-2) 2 +(y+1) 2 =r 2 , in order to det...
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Answered by Ishan N. • Maths tutor
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simplify (2q+4)/(p(p+1)) -q/p

times the whole equation by the denominator of the left fraction giving p(2q+4)(p+1) - (qp(p+1))/p notice that p can be cancelled in the right fraction, and then times out to give 2qp^2 + 4p + 4p^2 + 2pq - q...
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Answered by Madeleine B. • Maths tutor
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Explain stylistic features Virgil uses to evoke a sense of emotion in Aeneid Book 9, lines 375-400.

Virgil makes use of caesauras and diaeresis throughout this section of the passage - these unnatural breaks in the line within the poem help to empahasis the sudden quickness of the many questions scattered ...
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Answered by Khrishan K. • Latin tutor
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Explain the stylistic features Virgil uses to convey increased emotion in a passage from Aeneid 9 (lines 375-400).

Virgil makes use of repeated
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Answered by Khrishan K. • Latin tutor
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How do you integrate?

Ok so there are two basic steps to integrating a function: You add 1 to the power of any x term. e.g. x 2 -> x 3 , 2x 7 -> 2x 8 , 3 = 3x 0 -> 3x You divide the term by the new power e.g. if the new ...
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Answered by Jeremy S. • Maths tutor
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