1.

If a=2+√3, find the value of a-1/a​

Answer»

Answer:

0.7320

Step-by-step EXPLANATION:

\frac{a - 1}{a}  =  \frac{2 +  \sqrt{3} - 1 }{2 +  \sqrt{3} }  =  \frac{1 +  \sqrt{3} }{2 +  \sqrt{3} }  = 0.7320



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