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Relations And Functions
Is it true that for any sets A and B, P ( A ) ∪ P ( B ) = P ( A ∪ B )? Justify your answer.
No, Let A = {1, 2}, B = [2,3}
∴ ...(i)
...(ii)
From (i) and (ii), it is clear that uin genera,
Sponsor Area
Collection of all divisors of 42.
Collection of beautiful girls in India.
Fill in the blanks in the following table:
Numbers |
Closed under |
|||
Addition |
Subtraction |
Multiplication |
Division |
|
Rational numbers |
Yes |
Yes |
No |
|
Integers |
Yes |
No |
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Whole numbers |
... |
Yes |
||
Natural numbers |
No |
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i9 + i19
3(7 + i7) + i(7 + i7)
Express each of the complex number given in the form of a + ib.
(1 - i) - (-1 + i6)
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