Question

If A = { (x,y) : x²+y² = 25 } and B = {(x,y) : x²+ 9y² = 144 }, then A ∩ B contains
(a) one point (b) three point (c) two points (d) four points
answer is (d) four points how ?

Answer 1

Answer:

the answer

is B) three points

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