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Let x & y be the real numbers satisfying the equation x2- 4x + y2 + 3 = 0. If the maximum and minimum values of x2+ y2 are M & m respectively, then the numerical value of M - m is:(A) 2(B) 8(C) 15(D) none of theseEXPLAIN

moidin afsan , 10 Years ago
Grade 11
anser 1 Answers
Arun Kumar

Last Activity: 10 Years ago

Hi

If you see first is equation of a circle and second is square of distance of points from the (0,0).
So


Thanks & Regards, Arun Kumar, Btech,IIT Delhi, Askiitians Faculty

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