Question

How to find the value of 5√2 - √8?​

Answer 1

5√2 - √8 = 5√2 - √(4 · 2) =

= 5√2 - √(2² · 2) = 5√2 - 2√2 = 3√2

Answer 2

`\large \mathfrak{Solution : }`

let's solve :

• 
  `5 √(2 ) - √(8)`

• 
  `5 √(2) - 2 √(2)`

• 
  `3 √(2)`

• 
  `3 * 1.41`

• 
  `4.23`