JEE Main 20 July 2021 Shift 2 Solved Paper

Section: Mathematics

Question : 63 of 90

Marks: +1, -0

Let r1 and r2 be the radii of the largest and smallest circles, respectively, which pass through the point (−4,1) and having their centres on the circumference of the circle x2+y2+2x+4y−4=0. If

=a+b√2, then a+b is equal to :

[20 Jul 2021 Shift 2]

Validate

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