NCERT Solutions class-11 Maths Exercise 5.1

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Exercise 5.1

Express each of the complex numbers given in the exercises 1 to 10 in the form :

1.

Ans. Here =

= =3


2.

Ans. Here

=


3.

Ans. =

=


4.

Ans. Here

=


5.

Ans. Here

=


6.

Ans. Here

=

=


7.

Ans. Here

=

= = =


8.

Ans. Here =

= =

=


9.

Ans. Here

=

=

=

=

=


10.

Ans. Here =

=

= =

= =


Find the multiplicative inverse of each of the complex numbers given in the exercises 11 to 13.

11.

Ans. Multiplicative Inverse of =

=

= =


12.

Ans. Multiplicative Inverse of =

=

= =


13.

Ans. Multiplicative Inverse of = = =


14. Express the following expression in the form of

Ans. Here

= =

= =

=


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