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1 vote
3+square root of 5 divide by 2- square root of 5

2 Answers

1 vote

Explanation:


3 + √(5) / 2 - √(5) \\ \\ = 3 + ( √(5) )/(2) - √(5) \\ \\ = 3 + ( √(5) - 2 √(5) )/(2) \\ \\ = 3 + ( - √(5) )/(2) \\ = 3 - (√(5) )/(2) \\ = 3 - (2.23606798)/(2) \\ = 3 - 1.11803399 \\ = 1.88196601 \\ \approx1.88

User ElenaHristova
by
4.4k points
5 votes

Answer:


-11-5√(5)

Explanation:

Multiply both the numerator and denominator by
2+√(5) to get
(11+5√(5) )/(-1). Divide By the negative 1 to get the answer

User Greg Schechter
by
4.2k points