If `m_(1),m_(2)` are the slopes of tangents to the ellipse `S=0` drawn from `(x_(1),y_(1))` then `m_(1)+m_(2)`

If m_(1) and m_(2) are the slopes of tangents to x^(2)+y^(2)=4 from the point (3,2), then m_(1)-m_(2) is equal to

If m_(1) and m_(2) are slopes of the tangents to the ellipse (x^(2))/(16)+(y^(2))/(9)=1 which passes through (5, 4), then the value of (m_(1)+m_(2))-(m_(1)m_(2)) is equal to

The sum of the slopes of the tangents to the ellipse x^(2)/9+y^(2)/4=1 drawn from the points (6,-2) is

If m_(1)&m_(2) are the slopes of the tangents to the hyperbola (x^(2))/(25)-(y^(2))/(16)=1 which passes through the point (4,2), find the value of (i)m_(1)+m_(2)&(ii)m_(2)m_(2)

The sum of the slopes of the tangents to the ellipse (x^(2))/(9)+(y^(2))/(4)=1 drawn from the point (6,-2) is

If m_1,m_2 are the slopes of the two tangents that are drawn from (2,3) to the parabola y^2=4x , then the value of 1/m_1+1/m_2 is

If m is the slope of the tangent to the curve e^(y)=1+x^(2) , then

The slopes of the tangents drawn from (4,1) to the ellipse x^(2)+2y^(2)=6 are

From a fixed point A three normals are drawn to the parabola y^(2)=4ax at the points P, Q and R. Two circles C_(1)" and "C_(2) are drawn on AP and AQ as diameter. If slope of the common chord of the circles C_(1)" and "C_(2) be m_(1) and the slope of the tangent to teh parabola at R be m_(2) , then m_(1)xxm_(2) , is equal to