Question

4.15 1) 5a/V5 2) 3+3Va/Va 3)15c/V3 4)5a/V5-1 5) 3a/V5-Va 6) 7/1+V3

Answer 1

5a/V5 = 5a/√5 = a√5

3+3Va/Va = 3+3√a/√a = 3+3 = 6

15c/V3 = 15c/√3 = 5c√3

5a/V5-1 = 5a/√5-1 = a√5-1

3a/V5-Va = 3a/√5-√a = (3a-√5√a)/√5

7/1+V3 = 7/(1+√3) = (7-7√3)/(1-3) = (-7+7√3)/2