Question 13
SurdsFind the value of x for which 6√(4x2 + 1) = 13x, where x > 0.
- A.6/5
- B.25/24
- C.24/25
- D.5/6
Show the answer and explanation
Answer: A (6/5)
Explanation
Square: 36(4x² + 1) = 169x², so 25x² = 36 and x = 6/5 (x > 0).
Find the value of x for which 6√(4x2 + 1) = 13x, where x > 0.
Answer: A (6/5)
Square: 36(4x² + 1) = 169x², so 25x² = 36 and x = 6/5 (x > 0).