(4) Simplify the following surds.
(i) V127
(ii) V50
(iii) V250
(iv) V7112 (v) V168
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Answer:
a = 2 b = 0
Step-by-step explanation:
a - b \sqrt{3 } = ( \sqrt{3 } - 1)( \sqrt{3} + 1)a−b
3
=(
3
−1)(
3
+1)
multiply right side
a - b \sqrt{3} = 3 - 1a−b
3
=3−1
a - b \sqrt{3 } = 2a−b
3
=2
compare both sides
a = 2 and b =0
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