Calculator search results

$n=N\right),B=\left(9\left(n-1\right):$ nɛN) then $A∪B=$ =. 8. $1fA=\left(4^{n}-3n-1:n∈^{N}\right)$ 1) A 2) B 3) N 4) o 9. $1f_{n\left(A\right)}=8_{,n\left(B\right)}=5$ then maximum number of elements in $A∪B=$ ... 1) 13 2)3 3)5 4)8 10. Which of the following is wrong. $1\right)A∩B|=A-B$ $2\right)A|-B|=B-A$ $3\right)A-\left(A-B\right)=A_{N}$ B $4\right)A-B|=B-A$ 11. $1fA=\left(1,2,3,4,5,6,7\right)$ then the no.of subsets of A, if each set containing atleast two elements is ...... $1\right)120$ 2) 128 3) 127 4) None 12. $1fA-B=\left(1,2\right),A-C=\left(2,3,4,5\right)$ then $A-\left(B∩^{C}\right)=....$ $1\right)\left(1,2,3,4,5\right)$ $2\right)\left(2\right)$ 3) $\left(3,4,5\right)$ 4) None 13. $Ifn\left(A\right)=3$ B=o then $n\left(A\times B\right)=.....$ 1)3 2) 0 3) o 4) None

$1$ $x$ $1$ $\left(xx\right)$ u $1$ a a a $1tn∈$ $7$ then prove that] $\left(1\right)$ $sin\left(\left(2n+1\right)\pi +θ\right)=\left(-1\right)^{2n+1}$ $sinθ$ $11\right)$ $tan\left(n\pi +θ\right)=cot\left(2n+1\right)\dfrac {\pi } {2}-θ\right)$

$10\right)$ $4^{x}+3.2^{x}=4$ 1. $\left(-4.0\right)$ 3. $\left(03$ 2. $\left(-4,1\right)$ 4. $\left(1\right)$ $11\right)$ $1$ $5log\left(x^{2}-7x+11\right)=0$ $3$ $5$ 2. {} $\left(2\right)$ 4. $\left(2,5\right)$ $2log\left(x-1\right)=7log\left(x-1\right)$ $12\right)$ $1.\left(1\right)$ $3$ $\left(-1\right)$ 2. $\left(2\right)$ 4. $\left(7\right)$

(d) Fill in the blanks from the choices given in the bracket $\left(5\right)$ $1$ Down a group, the ionization potential_ _(increases, decreases) $s\right)$ $2$ The basicity of acetic acid is $\left(1,2,4\right)$ $3$ Lower the pH value of a solution the more (acidic, alkaline) it $15.$ $4.$ The volume occupied by one mole of any gas at $STPis\left(22.4m^{3},22.4dm^{3}\right)$ $5$ Aqueous solutions of mineral acids are _electrolytes (strong, weak) $\right)$