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, …
NCERT Solutions for Class 12 Maths Chapter 6 – Application of Derivatives
Page No 197: Question 1: Find the rate of change of the area of a circle with respect to its radius r when (a) r = 3 cm (b) r = …
