Question 3
SurdsSimplify: (10√3/√5 − √15)2
- A.75.00
- B.15.00
- C.8.66
- D.3.87
Show the answer and explanation
Answer: B (15.00)
Explanation
10√3/√5 = 10√15/5 = 2√15, so the bracket is 2√15 − √15 = √15 and its square is 15.
Simplify: (10√3/√5 − √15)2
Answer: B (15.00)
10√3/√5 = 10√15/5 = 2√15, so the bracket is 2√15 − √15 = √15 and its square is 15.