Question

Check if (√2,4√2) is a solution of
equation x-2y = 4​

Answer 1

Answer:

Explanation:

Given solution : - (√2 , 4√2)

Equation : - x - 2y = 4

Verification : -

x - 2y

= √2 - (2 × 4√2)

= √2 - 8√2

= - 7√2

- 7√2 ≠ 4

So, the given values are not a solution of the equation.