if a=2+√3 , then find the value of a-1/a
Answers
Answered by
13
a = 2+√3 (Given)
1/a = 1 / (2+√3) = 2-√3/ 4-3 = 2-√3
a - 1/a = (2+√3) - (2-√3)
= 2+√3 - 2 + √3
= 2√3
1/a = 1 / (2+√3) = 2-√3/ 4-3 = 2-√3
a - 1/a = (2+√3) - (2-√3)
= 2+√3 - 2 + √3
= 2√3
Similar questions