Simplify 3 sqrt 27x 3y 9 - WAEC Mathematics 2008 Question
Simplify 3(\sqrt{27x^3y^9})
A
9xy3
B
3xy6
C
3xy3
D
9y3
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Correct Option: C
3(\sqrt{27x^3y^9}) = 3(\sqrt{27} \times 3\sqrt{3^3} \times 3\sqrt{y^9})
= 3 (\times x \times y^3)
= 3xy3
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