Symbol
Problem
FW. Ellis College of Fort St. George was founded by As considered the father of Tamil linguistic The ar THIRD REVISION EXAMINATION 2020 X STANDARD Marks:100 Time: 3.00 Hours Mathematics there ie any tach naiyar yhe 3 (1) (2) oUCpf shefe aepaBiek mr ltuehcse e s, ooqntir aunBiefnsolte aicnon fk n outIphr e nk appHteaarr o tlfws l Sorr iutfe paiearrnvnied ssos pr eoinf mcpmil oreidnr tiidnaterg alw y diagrams hoo Note: This question Section- A of the (H) Choose the most suitable answer trom the gven four alternatives $4.1-14$ $anA-1n$ 12. Note: 0 Answer all the 14 questions. iTRTMn h a e . the option code with the corresponding answer. 1) $1$ $n\left(A\right)=3$ $and$ $\left(8\right)=3.1nc$ the number of relations from A to B is uages a) (2) b) 2-1 c) (2) d) (2) 2) $118a$ function from 2 to 3 then which of the following is/ are identity function? $11\right)$ $1\left(x\right)=1x1$ in) $\right)$ $f\left(x\right)=3x$ $\right)\times 9$ UE ia) ) $f\left(x\right)=\sqrt{}$ $a$ $an^{\dfrac {x^{2}} {d}}$ iv $f\left(x\right)=4\dfrac {x^{3}} {d}w$ $0\right)$ $an$ $α\right)$ $n$ $m$ c) ii and iv and iv 3) The g.c.d of 48 and 49 is $3\right)$ $3\times 24\times 72$ b) 3 c) 1 d) 3x72 4) $1$ $4^{1+1}+$ $∪P10$ $x$ terms is 4. d) 4 $a\right)$ $b\right)12$ $2^{\dfrac {2} {x+}}\bar{3} =0and4y=3y$ $nen$ $1$ $c\right)32$ $\left(x.y\right)$ $s$ $c\right)$ $\left(32$ $-1\right)$ 5) $b\right)$ $\left(-32,0\right)$ d) (3/2, 0) 6) $a\right)$ $\left(-32$ $1\right)$ $1$ $A=\left(cosθ$ $-sinQ$ -sin 0 cos e then A is b) a) 0. d) -1 -1 0 c) 0-1] O $A$ then PQR R is b) ABC C a), AAAAC B C B d) ABB C A Helo