Perform the indicated division. Rationalize the denominator if necessary. Then simplify?

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Perform the indicated division. Rationalize the denominator if necessary. Then simplify the radical expression.

18 + square root of 567/ 9

2006-10-27 13:20:08 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

Depending on where you put parentheses,
18 + √(567/9) = 18 + √63 = 18 + 3√7 = 3(6 + √7)

18 + (√567)9 = 18 + √7

(18 + √567)/9 = 2 + √7

2006-10-27 13:48:09 · answer #1 · answered by Helmut 7 · 0⤊ 0⤋

18+SQRT(567/9)=18+SQRT(63)
=18+sqrt(7*9)
=18+SQRT(7)*SQRT(9)
=18+3*SQRT(7)

2006-10-27 20:28:15 · answer #2 · answered by sydney m 2 · 0⤊ 0⤋