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MULTIPLICATION AND DIVISION OF SURDS. 137

same root, and their multiplication or division can be performed as before. If the surds have rational coefficients, the product or quotient of the coefficients must be prefixed as the coefficient of the result.

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√2×3√4=81×16*=2/128 (Art. 113.)

2. Divide 3/4 by √2.

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2a=2a=2/a3

3a=3a*=3a2

2a3×3a3=2/a3×3°3⁄4√a2=6√a3

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