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Syllabus

{a and b } subset of {a ,b,c,d,e,f}

sin36+sec20

activities for 9th in statistics

sec 35 = cos 52

play chess, 21 play carrom, 15 play table tennis, 10 play chess and table tennis, 8 play carrom and table tennis and 6 play all the three games. Find the number of students who play

(i) chess and carrom but not table tennis

(ii) chess (iii) only carrom (Hint: Use Venn diagram)

2a3- 3a2b+2a2c

WHAT IS THE DIFFERENCE BETWEEN SUBSET AND PROPER SUBSET

what is mean by maths

if{5{5,6}7}which of the following is correct?

what is subset?

I can't understand Venn diagrams..

b={x;x is an even number and 1<x<21} c={x:x is an integer and 15less than xless than 25} (1) list the element of A,B,C (2)find n(A), n(B), n(C)

a={o,r,y},b={r,u,t},a U b=

Q6. In an examination 50% of the students passed in Mathematics and 70% of students passed in Science while 10% students failed in both subjects. 300 students passed in both the subjects. Find the total number of students who appeared in the examination, if they took examination in only two subjects.9thstd

Set. Builder. Form

Example

4. Verify the associative property of intersection of sets for

A=$\left\{-11,\sqrt{2},\sqrt{5},7\right\}$, B = $\left\{\sqrt{3},\sqrt{5},6,13\right\}$ and C = $\left\{\sqrt{2},\sqrt{3},\sqrt{6},9\right\}$.6. (i) If $U=\left\{x:0\le x\le 10,x\in W\right\}$ and $A=\left\{x:xisamultipleof3\right\}$, find A'

(ii) If U is the set of natural numbers and A' is the set of all composite number, then what is A ?