A line meets the co-ordinates axes at A(a, 0) and B(0, b) A circle is circumscribed about the triangle OAB. If the distance of the points A and B from the tangent at origin to the circle are 3 and 4 repectively, then the value of `a^(2) + b^(2) + 1` is

A line meets the coordinate axes at A and B. A circle is circumscribed obout the triangle OAB. If the distance of the points A and B from the tangent at O, the origin, to the circle are m and n respectively, find the diameter of the circle.

A line meets the co-ordinate axes in A and B. A circle is circumscribed about the triangle OAB. If d_1 and d_2 are the distance of the tangent to the circle at the origin O from the points A and B, respectively, then the diameter of the circle is

A line meets the coordinate axes at A and B . A circle is circumscribed about the triangle O A Bdot If d_1a n dd_2 are distances of the tangents to the circle at the origin O from the points Aa n dB , respectively, then the diameter of the circle is (a) (2d_1+d_2)/2 (b) (d_1+2d_2)/2 (c) d_1+d_2 (d) (d_1d_2)/(d_1+d_2)

A line meets the coordinate axes at A and B . A circle is circumscribed about the triangle O A Bdot If d_1a n dd_2 are distances of the tangents to the circle at the origin O from the points Aa n dB , respectively, then the diameter of the circle is (2d_1+d_2)/2 (b) (d_1+2d_2)/2 d_1+d_2 (d) (d_1d_2)/(d_1+d_2)

A line meets the coordinate axes at A and B . A circle is circumscribed about the triangle O A Bdot If d_1a n dd_2 are distances of the tangents to the circle at the origin O from the points Aa n dB , respectively, then the diameter of the circle is (2d_1+d_2)/2 (b) (d_1+2d_2)/2 d_1+d_2 (d) (d_1d_2)/(d_1+d_2)

A line meets coordinate axes in A and B. A circle is circumscribed about the triangle OAB . If m and n are distances of tangent to circle at origin from the point A and B respectively then diameter of the circle is

A straight line meets the coordinates axes at A and B, so that the centroid of the triangle OAB is (1, 2). Then the equation of the line AB is