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Relations And Functions
Let A = {x : x is a triangle in a plane}, B = {x : x is a rectangle in the plane }
Since, no triangle is a rectangle.
∴ No member of set A is a member of set B.
Hence, { x : x is a triangle in aplane} { x : is a tectangle in the plane}
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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 |
||
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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