Question 32
SurdsIf √72 + √32 − 3√18 = x√8, find the value of x.
- A.1
- B.3/4
- C.1/2
- D.1/4
Show the answer and explanation
Answer: C (1/2)
Explanation
6√2 + 4√2 − 9√2 = √2, and √8 = 2√2. So √2 = 2x√2 and x = ½.
If √72 + √32 − 3√18 = x√8, find the value of x.
Answer: C (1/2)
6√2 + 4√2 − 9√2 = √2, and √8 = 2√2. So √2 = 2x√2 and x = ½.