Question

If x= 2+√3, find x-1÷x​

Answer 1

answer:

explanation:

given

x=2+√3

• 1/x=1/(2+√3)
• =1/(2+√3)×(2-√3)/(2-√3)
• =(2-√3)/(2²-√3²)
• =(2-√3)/4-3
• =(2-√3)/1
• =2-√3
• x-x/1
• (2+√3)-(2-√3)
• 2+√3-2+√3
• 2√3

2√3 is the answer