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India
Class XI

Multiplication of Numbers in Polar Form

Interactive practice questions

Answer the following.

a

Which is true?

When multiplying two complex numbers in trigonometric form, we add their absolute values and add their arguments.

A

When multiplying two complex numbers in trigonometric form, we multiply their absolute values and add their arguments.

B

When multiplying two complex numbers in trigonometric form, we add their absolute values and multiply their arguments.

C

When multiplying two complex numbers in trigonometric form, we multiply their absolute values and multiply their arguments.

D
b

Which is true?

When dividing two complex numbers in trigonometric form, we subtract their absolute values and divide their arguments.

A

When dividing two complex numbers in trigonometric form, we subtract their absolute values and subtract their arguments.

B

When dividing two complex numbers in trigonometric form, we divide their absolute values and divide their arguments.

C

When dividing two complex numbers in trigonometric form, we divide their absolute values and subtract their arguments.

D
Easy
1min
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Outcomes

11.A.CNQE.1

Need for complex numbers, especially √-1, to be motivated by inability to solve every quadratic equation. Brief description of algebraic properties of complex numbers. Argand plane and polar representation of complex numbers. Statement of Fundamental Theorem of Algebra, solution of quadratic equations in the complex number system.

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