`16x^(2)+25y^(2)`

The tangents from a point (2 sqrt(2), 1) to the hyperbola 16 x^(2)-25 y^(2)=400 include an angle equal to

If P(x , y) ,F_(1) (3,0) , F_(2) (-3, 0) " and " 16x^(2) + 25 y^(2) = 400 then show that PF_(1)+PF_(2)=10

If P=(x, y), F_(1)=(3,0), F_(2)=(-3,0) and 16 x^(2)+25 y^(2)=400 then P F_(1)+P F_(2)=

If P is any point on the ellipse 16 x^(2)+25 y^(2)=400 then P S_(1)+P S_(2)= , where S_(1) and S_(2) are the foci of the ellipse.

The foci of 16x ^(2) + 25 y^(2) =400 are

The foci of 16x ^(2) + 25 y^(2) =400 are

The sum of the focal distances of any point on the conic 16x^(2) + 25 y ^(2)=400 is-

The equation of the directrice of the ellipse 16x ^(2) + 25 y ^(2)= 400 are

The equation of the directrice of the ellipse 16x ^(2) + 25 y ^(2)= 400 are

Factorize each of the following expressions: 16 x^2-25 y^2 (2) 27 x^2-12 y^2 (3) 144 a^2-289 b^2 (4) 12 m^2-27