Number Systems class 9 Ex 1.3 Q1(1,2,3)

If number x is chosen fromthe numbers 1,2,3, and a number y is selected from the numbers 1,4,9. Then, P(x y<9)

Find the actual lower and upper class limits and also the class marks of the classes : 1.1 - 2.0, 2.1 - 3.0 and 3.1 - 4.0.

Find the correct answers about body coordination 1. Nervous system 2. Circulatory system 3. Endocrine system 4. Excretory system. (a) 1,2,3 correct (b) 1,2 correct (c) 2,4 correct (d) 1,3 correct

Class 10 Exercise 10.2 Question 1 | CBSE Class 10 Ex -10.2 Q1 | NCERT | Class 10 Maths Chapter 10

Sets , Nios, Class-12, Ch-1 ,Ex-1.1 ,Q-1

Three charges q_1 = 1 mu C, q_2 = -2 mu C, and q_3 = -1 mu C are placed at A (0,0,0), B(-1 , 2,3,) and C (2 , -1, 1) . Find the potential of the system of three charges at P( 1, - 2, -1) .

If m=number of distinct rational numbers p/q in (0,1) such that p, q in {1,2,3,4,5} and n= number of onto mappings from {1, 2, 3} onto {1,2}, then m-n is

Let n is a rational number and x is a real number such that |x|lt1, then (1+x)^(n)=1+nx+(n(n-1)x^(2))/(2!)+(n(n-1)(n-2))/(3!).x^(3)+ . . . This can be used to find the sum of different series. Q. Sum of infinite series 1+(2)/(3)*(1)/(2)+(2)/(3)*(5)/(6)*(1)/(2^(2))+(2)/(3)*(5)/(6)*(8)/(9)*(1)/(2^(3))+ . . .oo is

Express each of the following as a rational number of the form p/q : (i) (2^(-1)+3^(-1))^2 (ii) (2^(-1)-4^(-1))^2 ] (iii) {(3/4)^(-1)-(1/4)^(-1)}^(-1)