Question 1
SurdsSimplify: √108 + √125 − √75
- A.√3 + 5√5
- B.6√3 − 5√5
- C.6√3 + √2
- D.6√3 − √2
Show the answer and explanation
Answer: A (√3 + 5√5)
Explanation
√108 = 6√3, √125 = 5√5 and √75 = 5√3, so the sum is 6√3 + 5√5 − 5√3 = √3 + 5√5.
Simplify: √108 + √125 − √75
Answer: A (√3 + 5√5)
√108 = 6√3, √125 = 5√5 and √75 = 5√3, so the sum is 6√3 + 5√5 − 5√3 = √3 + 5√5.