NCERT Solutions with NCERTplanet
NCERT Solutions with NCERTplanet
Class 11 – Mathematics Introduction to Three Dimensional Geometry – Exercise 12.2 Question : 1 Answer: Question : 2 Answer: Question : 3 Answer: Question : 4 Answer: Question : 5 Answer: Previous Post Next Post Click here to visit…
Class 11 – Mathematics Introduction to Three Dimensional Geometry – Exercise 12.1 Question : 1 Answer: Question : 2 Answer: Question : 3 Answer: Question : 4 Answer: Previous Post Next Post Click here to visit Official CBSE website Click…
Class 11 – Mathematics Conic Sections – Exercise 11-Misc Question 1: If a parabolic reflector is 20 cm in diameter and 5 cm deep, find the focus. Answer: The origin of the coordinate plane is taken at the vertex of…
Class 11 – Mathematics Conic Sections – Exercise 11.4 Question 1: Find the coordinates of the foci and the vertices, the eccentricity, and the length of the latus rectum of the hyperbola x2/16 – y2/9 = 1. Answer: The given…
Class 11 – Mathematics Conic Sections – Exercise 11.3 Question 1: Find the coordinates of the foci, the vertices, the length of major axis, the minor axis, the eccentricity and the length of the latus rectum of the ellipse x2/36…
Class 11 – Mathematics Conic Sections – Exercise 11.2 Question 1: Find the coordinates of the focus, axis of the parabola, the equation of directrix and the length of the latus rectum for y2 = 12x. Answer: The given equation…
Class 11 – Mathematics Conic Sections – Exercise 11.1 Question 1: Find the equation of the circle with centre (0, 2) and radius 2. Answer: The equation of a circle with centre (h, k) and radius r is given as…
Class 11 – Mathematics Straight Lines – Exercise 10-Misc Question 1: Find the values of k for which the line is (k – 3)x – (4 – k2)y + k2 – 7k + 6 = 0 (a) Parallel to the…
Class 11 – Mathematics Straight Lines – Exercise 10.3 Question 1: Reduce the following equations into slope-intercept form and find their slopes and the y intercepts. (i) x + 7y = 0 (ii) 6x + 3y – 5 = 0 …
Class 11 – Mathematics Straight Lines – Exercise 10.2 Question 1: Write the equations for the x and y-axes. Answer: The y-coordinate of every point on the x-axis is 0. Therefore, the equation of the x-axis is y = 0.…
Class 11 – Mathematics Straight Lines – Exercise 10.1 Question 1: Draw a quadrilateral in the Cartesian plane, whose vertices are (–4, 5), (0, 7), (5, –5) and (-4,-2). Also, find its area. Answer: Let ABCD be the given quadrilateral…
Class 11 – Mathematics Sequences and Series – Exercise 9-Misc Question : 1 Answer: Question : 2 Answer: Question : 3 Answer: Question : 4 Answer: Question : 5 Answer: Question : 6 Answer: Question : 7 Answer: Question :…