1.

Find the equation of the circle with: (i) Centre (-2,3 and radius 4. (ii) Centre (a, b) and radius √a2+b2 (iii) Centre (0,-1) and radius 1. (iv) Centre (αcosα,αsinα) and radius α. (v) Centre (α,a) and radius √2a.

Answer»

Find the equation of the circle with:
(i) Centre (-2,3 and radius 4.
(ii) Centre (a, b) and radius a2+b2
(iii) Centre (0,-1) and radius 1.
(iv) Centre (αcosα,αsinα) and radius α.
(v) Centre (α,a) and radius 2a.



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