Question 1. Which of the following are examples of empty set? (i) Set of all even natural numbers divisible by 5. (ii) Set of all… Read More

# Tag Archives: RD Sharma Class-11

Question 1: Name the octants in which the following points lie: (i) (5, 2, 3) (ii) (-5, 4, 3)Attention reader! All those who say programming… Read More

Question 1. Write each of the following statements in the form “if p, then q.” (i) You can access the website only if you pay… Read More

Question 1. Write the negation of the following statement: (i) Bangalore is the capital of Karnataka. (ii) It rained on July 4, 2005.Attention reader! All… Read More

Question 1. Find the component statements of the following compound statements: (i) The sky is blue, and the grass is green. (ii) The earth is… Read More

Question 1. Write the negation of each of the following statements: (i) For every x ∈ N, x + 3 > 10 (ii) There exists… Read More

Question 14. 27x2 – 10x + 1 = 0 Solution: Comparing the equation with,Attention reader! All those who say programming isn't for kids, just haven't… Read More

Solve the following Quadratic Equations: Question 1. x2 + 1 = 0 Solution: We can write the given equation as,Attention reader! All those who say… Read More

Question 1. What is the difference between a collection and a set? Give reasons to support your answer. Solution: A collection represents a group of… Read More

Question 1. Find out which of the following sentences are statements and which are not. Justify your answer. (i) Listen to me, Ravi! (ii) Every… Read More

Question 1: Evaluate the following: (i) i457 (ii) i528Attention reader! All those who say programming isn't for kids, just haven't met the right mentors yet.… Read More

Question 1. If the nth term an of a sequence is given by an = n2 – n +1, write down its first five terms. Solution: We… Read More

Question 1. Describe the following sets in Roster form: (i) {x : x is a letter before e in the English alphabet} (ii) {x ∈… Read More

Question 1. Find the three numbers in G.P whose sum is 65 and whose product is 3375. Solution: Let the three numbers in G.P as… Read More

Question 1: Find the maximum and minimum values of each of the following trigonometrical expressions: (i) 12 sin x – 5 cos x (ii) 12… Read More