Question

if x=5-√21 then find the value of √x/✓32-2√x -√21

​

Answer 1

x = 5-√21

x = 5-4.58

x= 0.42

√x/√32-2√x-21 =?

Put the value of x

= √0.42/√32-2√0.42-21

= 0.64 / 5.65 -2 ×0.64 -21

= 0.11 -2×0.64-21

= 0.11 -1.28 -21

= 0.11 - 22.28

= -22.17 Answer

Answer 2

Answer:

I don't know this answer