RankLab
Back to Questions
MathsMediumMCQ2023 · 29 Jan Shift 2

Q82.The value of the integral ∫21/2 tan−1x x (1) π loge 2 (2) 21 loge 2 (3) π 4 loge 2 (4) π2 loge 2

What This Question Tests

This question tests the ability to evaluate a definite integral by applying properties of definite integrals and substitution, along with the identity for inverse trigonometric functions.

Concepts Tested

Definite integrationProperties of definite integralsInverse trigonometric functions

Formulas Used

∫ab f(x)dx = ∫ab f(a+b-x)dx

tan⁻¹(x) + tan⁻¹(1/x) = π/2 for x > 0

📚 NCERT Sections This Tests

2.1Two Charges 5 × 10–8 C And –3 × 10–8 C Are Located 16 Cm Apart. At

Physics Class 11 · Chapter 2

71% match

2.1 Two charges 5 × 10–8 C and –3 × 10–8 C are located 16 cm apart. At what point(s) on the line joining the two charges is the electric potential zero? Take the potential at infinity to be zero.

14.2Which Of The Statements Given In Exercise 14.1 Is True For P-Type

Physics Class 12 · Chapter 14

71% match

14.2 Which of the statements given in Exercise 14.1 is true for p-type semiconductos.

2.2A Regular Hexagon Of Side 10 Cm Has A Charge 5 Mc At Each Of Its

Physics Class 11 · Chapter 2

71% match

2.2 A regular hexagon of side 10 cm has a charge 5 mC at each of its vertices. Calculate the potential at the centre of the hexagon.