## NCERT Solutions for Class 12 Maths Chapter 13 – Probability

Page No 538: Question 1: Given that E and F are events such that P(E) = 0.6, P(F) = 0.3 and P(E ∩ F) = …

## NCERT Solutions for Class 12 Maths Chapter 12 – Linear Programming

Page No 513: Question 1: Maximise Z = 3x + 4y Subject to the constraints: Answer: The feasible region determined by the constraints, x + y ≤ 4, x ≥ 0, y ≥ 0, …

## NCERT Solutions for Class 12 Maths Chapter 11 – Three Dimensional Geometry

Page No 467: Question 1: If a line makes angles 90°, 135°, 45° with x, y and z-axes respectively, find its direction cosines. Answer: Let direction cosines of the …

## NCERT Solutions for Class 12 Maths Chapter 10 – Vector Algebra

Page No 428: Question 1: Represent graphically a displacement of 40 km, 30° east of north. Answer: Here, vector represents the displacement of 40 km, 30° …

## NCERT Solutions for Class 12 Maths Chapter 9 – Differential Equations

Page No 382: Question 1: Determine order and degree(if defined) of differential equation  Answer: The highest order derivative present in the differential equation is. Therefore, …

## NCERT Solutions for Class 12 Maths Chapter 8 – Application of Integrals

Page No 365: Question 1: Find the area of the region bounded by the curve y2 = x and the lines x = 1, x = 4 and the x-axis. Answer: The area of …

## NCERT Solutions for Class 12 Maths Chapter 7 – Integrals

Page No 299: Question 1: sin 2x Answer: The anti derivative of sin 2x is a function of x whose derivative is sin 2x. It is known that, … 