Science (English Medium) इयत्ता १२ - CBSE Question Bank Solutions for Mathematics

Find the condition that the curves 2x = y² and 2xy = k intersect orthogonally.

Prove that the curves xy = 4 and x² + y² = 8 touch each other.

Find the co-ordinates of the point on the curve `sqrt(x) + sqrt(y)` = 4 at which tangent is equally inclined to the axes

Find the angle of intersection of the curves y = 4 – x² and y = x².

Prove that the curves y² = 4x and x² + y² – 6x + 1 = 0 touch each other at the point (1, 2)

Find the equation of the normal lines to the curve 3x² – y² = 8 which are parallel to the line x + 3y = 4.

At what points on the curve x² + y² – 2x – 4y + 1 = 0, the tangents are parallel to the y-axis?

Show that the line `x/"a" + y/"b"` = 1, touches the curve y = b · e^– x/a at the point where the curve intersects the axis of y

If the straight line x cosα + y sinα = p touches the curve `x^2/"a"^2 + y^2/"b"^2` = 1, then prove that a² cos²α + b² sin²α = p².

The curve y = `x^(1/5)` has at (0, 0) ______.

The equation of normal to the curve 3x² – y² = 8 which is parallel to the line x + 3y = 8 is ______.

If the curve ay + x² = 7 and x³ = y, cut orthogonally at (1, 1), then the value of a is ______.

The equation of tangent to the curve y(1 + x²) = 2 – x, where it crosses x-axis is ______.

The points at which the tangents to the curve y = x³ – 12x + 18 are parallel to x-axis are ______.

The tangent to the curve y = e^2x at the point (0, 1) meets x-axis at ______.

The slope of tangent to the curve x = t² + 3t – 8, y = 2t² – 2t – 5 at the point (2, –1) is ______.

The two curves x³ – 3xy² + 2 = 0 and 3x²y – y³ – 2 = 0 intersect at an angle of ______.

The equation of normal to the curve y = tanx at (0, 0) is ______.

Find the differential equation of the family of curves y = Ae^2x + B.e^–2x.

Find the differential equation of the family of lines through the origin.