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Simplify and choose the correct result.
MATHEMATICS · Single correct · GCSE · Mathematics · Number · Number
Problem
Simplify
(
27
)
1
3
2
+
3
\dfrac{(27)^{\tfrac{1}{3}}}{2+\sqrt{3}}
2
+
3
(
27
)
3
1
and choose the correct result. (a)
6
+
3
3
6+3\sqrt{3}
6
+
3
3
(b)
6
−
3
3
6-3\sqrt{3}
6
−
3
3
(c)
6
3
−
9
6\sqrt{3}-9
6
3
−
9
(d)
3
−
2
3
3-2\sqrt{3}
3
−
2
3
Related theory
Real Number System
Surds and rationalisation
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