SURDS Flashcards
1
Q
√a X √b = ?, e.g. √5 X √3
A
√ab = √15
2
Q
√a X √a, e.g. √3 X √3
A
a = 3
3
Q
√a/b = ?, e.g. √1/2
A
√a/√b = √2/√2, then rationalise to get √2/2
4
Q
√a + √b = ?, e.g. √5 + √3
A
cannot simplify
5
Q
√a + √a = ?, e.g. √2 +√2
A
2√a = 2√2
