For all real values of `m ,` the straight line `y=m x+sqrt(9m^2-4)` is a tangent to which of the following certain hyperbolas? (a)`9x^2+4y^2=36` (b) `4x^2+9y^2=36` (c)`9x^2-4y^2=36` (d) `4x^2-9y^2=36`

For all real values of m, the straight line y=mx+sqrt(9m^(2)-4) is a tangent to which of the following certain hyperbolas? (a) 9x^(2)+4y^(2)=36 (b) 4x^(2)+9y^(2)=36 (c) 9x^(2)-4y^(2)=36 (d) 4x^(2)-9y^(2)=36

Find the foci of the hyperbola 9x^2-4y^2=36 .

Factorize each of the following expressions: 9x^2-4y^2 (ii) 36 x^2-12 x+1-25 y^2

The values of m for which the line y=mx +2 becomes a tangent to the hyperbola 4x^2-9y^2-36 is .

The value of m, for which the line y = mx + 2 is a tangent to the hyperbola 4x^(2)-9y^(2)-36 are

The value of m for which the line y=mx+2 becomes a tangent to the hyperbola 4x^(2)-9y^(2)=36 is