Question

The real part of the complex number root 9 + root ( - 16 ) is ​

Answer 1

Explanation:

IF WE SIMPLIFY FURTHER ,

√9=3

√ -16= -4

(-4 CAN BE WRITTEN AS 4i as i = -1 )

therefore 3is the real part and 4i is the imaginary part ...

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Answer 2

Given,

A complex number = √9 + √( - 16 )

To find,

The real part of the given complex number.

Solution,

We can simply solve this mathematical problem using the following process:

Mathematically,

The general form of any complex number

= (real part) + (imaginary part),

where, the real part is a real number

the imaginary part = a real number × i

{i = iota}

Now, according to the question;

The given complex number

= √9 + √( - 16 )

= +-3 + √(-1)(16)

= +-3 + (+-4)√(-1)

= (+-3) + (+-4)i {Since i = √(-1)}

=> the real part of the given complex number is +3 or -3

Hence, the real part of the given complex number can either be +3 or -3.