Question

value of root 8 plus root 18​

Answer 1

√8+√18

simplify each term

2√2 + 3√2

Add

2√2 + 3√2

5√2

The result can be shown in multiple form

Exact form

5√2

Decimal form

7.07106781........

Hope this helps you

Answer 2

SOLUTION

TO DETERMINE

The value of

$\sf{ \sqrt{8} + \sqrt{18} }$

EVALUATION

Here the given expression is

$\sf{ \sqrt{8} + \sqrt{18} }$

We simplify it as below

$\sf{ \sqrt{8} + \sqrt{18} }$

$\sf{ = \sqrt{2 \times 2 \times 2} + \sqrt{3 \times 3 \times 2} }$

$\sf{ = \sqrt{ {2}^{2} \times 2} + \sqrt{ {3}^{2} \times 2} }$

$\sf{ =2 \sqrt{ 2} +3 \sqrt{ 2} }$

$\sf{ =5 \sqrt{ 2} }$

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