Question

if √5=2.236 approx,evaluate 3-√5/3+2√5 correct to three places decimal.
please give answer please please

Answer 1

3-$\frac{ \sqrt{5} }{3}$+2√5
3- $\frac{\sqrt{5}+6 \sqrt{5} }{3}$
3 + $\frac{5\sqrt{5} }{3}$
Subsituting $\sqrt{5}=2.236$
3 + $\frac{5(2.236)}{3}$
3 + $\frac{11.8}{3}$
3 + 3.7266
6.7266

The answer is6.7266

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