JEE MATHEMATICS MCQ: CIRCLES

1 Easy

1 of 1

Application +4 | -1

If the square of the length of the tangent drawn from any point on the circle

x^2+y^2+70 x-45 y+6789=0

to the circle

x^2+y^2+70 x-45 y+9876=0

K

then find

K-3080.

View answer and explanation

Correct option: A

Option A (7) is correct because the square of the tangent length is found to be 3087, and 3087 - 3080 = 7.

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