Question 16
Binomial TheoremIf kx2 is a term in the binomial expansion of (1 − 2x)4, Find the value of k
- A.−24
- B.−8
- C.8
- D.24
Show the answer and explanation
Answer: D (24)
Explanation
The x² term is ⁴C₂(−2x)² = 6 × 4x² = 24x², so k = 24.
If kx2 is a term in the binomial expansion of (1 − 2x)4, Find the value of k
Answer: D (24)
The x² term is ⁴C₂(−2x)² = 6 × 4x² = 24x², so k = 24.