Question

show
1
5
(= {1, 3, 5, 7}
Are C and D equal sets ? Obviously 'No?
Because 1 € C, 1 É D, 2 E D, 2 € C
.. C and D are not equal sets. It is written as C =D
If A = {1, 2, 3} and B = {1,2,3,4}then A + B verify it.
A = {x | x is prime number and 10<x< 20} and B = {11, 13, 17, 1951 –
Here A= B. Verify,
liag
(3)
(4)
Practice set 1.2
Decide which of the following are equal sets and which are not ? Justify your
99-1:2
A= {x 13x - 1 = 2} 34 = 24
x– = 23= ?
B = {x | x is a natural number but x is neither prime nor composite} ( 1b
C = {x XEN, X<2}
ar
et​

Answer 1

Answer:

show

1

5

(= {1, 3, 5, 7}

Are C and D equal sets ? Obviously 'No?

Because 1 € C, 1 É D, 2 E D, 2 € C

.. C and D are not equal sets. It is written as C =D

If A = {1, 2, 3} and B = {1,2,3,4}then A + B verify it.

A = {x | x is prime number and 10<x< 20} and B = {11, 13, 17, 1951 –

Here A= B. Verify,

liag

(3)

(4)

Practice set 1.2

Decide which of the following are equal sets and which are not ? Justify your

99-1:2

A= {x 13x - 1 = 2} 34 = 24

x– = 23= ?

B = {x | x is a natural number but x is neither prime nor composite} ( 1b

C = {x XEN, X<2}

ar

et

Step-by-step explanation:

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