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Relations And Functions

Question

Wired Faculty App

Verify that $WiredFaculty$

Solution

(2+3i)(1-2i)=2 - 4i + 3i - 6i²= 2 -4i + 3i +6 = 8-i
$rightwards double arrow$ $WiredFaculty$
Also,          $WiredFaculty$

               $space space space space space top enclose left parenthesis 1 minus 2 straight i right parenthesis end enclose space equals space 1 plus 2 straight i$
$rightwards double arrow$    $WiredFaculty$
Hence, $WiredFaculty$

Some More Questions From Relations and Functions Chapter

Collection of natural numbers between 100 and 200 (both inclusive).

Collection of all odd integers.

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

Whole numbers

...

Yes

Natural numbers

No

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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