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In the form (x-x1)^2+(y-y1)^2=r^2Hence equation is: (x-2)^2+(y-9)^2=16
(1+2x^2)/(3x-2)(x-1)^2 = -5/x-1 + 3/(x-1)^2 + 17/3x-2
We know that (x+2) divides p(x), therefore p(x) can be written as p(x) = (x+2)q(x) + 0, where q is another polynomial of degree 2. We can calculate then p(-2): p(-2)= ((-2)+2)q(-2) = 0;p(-2)= (-2)...
Complete the square:x2+4x gives (x+2)2-4y2+2y gives (y+1)2 -1Therefore,(x+2)2-4+(y+1)2 -1=20Rearranging gives:(x+2)2+(y+1)...
Finding the solutions to trig equations begins in a very similar way to when we do it at GCSE. We start with:cos(2x) = 2-1/2 0 <= x <=piand correct our range, as we are interested in 2x n...
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