Length of common chord of the circles x^2+y^2+5x+7y+9=0 and x^2+y^2+7x+5y+9=0 is
(a)8
(b)9
(c)7
(d)6

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Length of common chord of the circles x^2+y^2+5x+7y+9=0 and
x^2+y^2+7x+5y+9=0 is
(a)8
(b)9
(c)7
(d)6

Mayur Pisode · Accepted Answer

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Length of common chord of the circles x^2+y^2+5x+7y+9=0 and x^2+y^2+7x+5y+9=0 is (a)8 (b)9 (c)7 (d)6