rationalise the denominator (√3+1)/(√3-1)
Answers
Answered by
2
Answer:
Given - (√3+1)/(√3-1)
so we need to multiply to make our denominators a rational no.
so how do we do that ? Lets see....
√3+1 * √3+1 √9 + 1
-------- ----------- = ---------------------
√3-1 * √3+1 (√3-1) sq (√3+1) sq (applying identity -- A sq + B sq)
√9 = 3 ---- 3+ 1 4 4 4
--------------- = ---------- = -------- = --------
(√3) sq - (1) sq √9 - 1 3 - 1 2
NOW 4/2 = 2
Similar questions