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2 votes
Simplify:
Radical 27 + radical 81

Simplify: Radical 27 + radical 81-example-1

2 Answers

5 votes

Explanation:

Given:


\cfrac{ √(27) + √(81) }{3}

Solution:


= \cfrac{ √(27) + \sqrt{9 {}^(2) } }{3}


= \cfrac{3 √(3) + 9 }{3}


= \cfrac{3 √(3) + 3 * 3}{3}


= \cfrac{3 (√(3) + 3)}{3}


= \cfrac{ \cancel{3}( √(3) + 3) }{ \cancel3}


= √(3) + 3


\approx4.7

User Sheileen
by
4.9k points
4 votes

Answer:

√3+3 or 4.73205080

I hope this is correct

User Ravish
by
4.9k points