Question

Simplify and express in a form of a+ib
3+√-64

Answer 1

Answer:

3+i8    

a= 3

b=8

Step-by-step explanation:

We know that sq.root of 64 is 8

Therefore sq.root of -64 is i8

Hence it will be 3+ i8

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Answer 2

$3+\sqrt{-64}=3+8i$

Step-by-step explanation:

Given : Expression $3+\sqrt{-64}$

To find : Simplify and express in a form of  $a+ib$ ?

Solution :

We know that,

$\sqrt{-1}=i$

So,  expression $3+\sqrt{-64}$ can be written as

$3+\sqrt{-64}=3+\sqrt{-8^2}$

$3+\sqrt{-64}=3+8i$

$3+8i$  is in the form of $a+ib$.

Where, a=3 and b=8

#Learn more

Simplify and express the result in the form (a+ib)

(1+2i)-1

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