Question 15
Surds(∜3 + ∜2)(∜3 − ∜2)(√3 + √2) is equal to
- A.0
- B.∜3 + ∜2
- C.(∜3 − ∜2)(√3 + √2)
- D.√3 + √2
- E.1.
Show the answer and explanation
Answer: E (1.)
Explanation
The first two brackets give (∜3)² − (∜2)² = √3 − √2. Then (√3 − √2)(√3 + √2) = 3 − 2 = 1.