Number Systems Ex 1.2 Q1

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

Let X = {1, 2, 3,.......... 10} and P = {1, 2, 3, 4, 5} . The number of subsets Q of X such that P Delta Q = {3) is __________

For a real number a, if the system {:[(1,a,a^2),(a,1,a),(a^2,a,1)][(x),(y),(z)]=[(1),(-1),(1)]:} of the linear equations, has infinitely many solutions, then 1+a+a^2=

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)

Class 12 maths ncert solution chapter vector algebra Ex-10.2 Qno.1

Consider the system of equations sinx.cos2y=(a^2−1)^2+1 , cosx.sin2y=a + 1 , then the Number of values of x in [0,\ 2pi] when the system has solution for permissible values of a is/are 1 (b) 2 (c) 3 (d) infinite

chapter 1| ex: 1.1 |number system

A charge Q_(1)=+1" C " and Q_(2)=-4 C are fixed at a separation of 1 m. Where should you place the third charge 'q', so that the entire system is in equilibrium ?

Try converting the following mixed numbers to fractions. Q. 2(1)/(2)