Number systems Ex 1.1 Q 1,2

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

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=

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

If P=(a,b,c) and Q=(1,2) , then the total number of relations P to Q are not functions is

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 ?

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)