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[" If "A={x^(2)+y^(2)=16}" and "B={9x^(2...

[" If "A={x^(2)+y^(2)=16}" and "B={9x^(2)+25y^(2)=225}" ."],[" Then "n(A nn B)" is equal to "]

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If A={x,y):x^(2)+y^(2)=25} and B={(x,y):x^(2)+9y^(2)=144}, then A cap B contains

If A={x,y):x^(2)+y^(2)=25} and B={(x,y):x^(2)+9y^(2)=144}, then A cap B contains

If A={x,y):x^(2)+y^(2)=25} and B={(x,y):x^(2)+9y^(2)=144}, then A cap B contains

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If A={(x,y):x^2+y^2=25} and B={(x,y):x^2+9y^2=144} then n(Acap B) is