Question 24
Binomial TheoremIf (1 − 2x)4 = 1 + px + qx2 − 32x3 + 16x4, find the value of (q − p).
- A.−32
- B.−16
- C.16
- D.32
Show the answer and explanation
Answer: D (32)
Explanation
p = 4(−2) = −8 and q = 6(4) = 24, so q − p = 32.
If (1 − 2x)4 = 1 + px + qx2 − 32x3 + 16x4, find the value of (q − p).
Answer: D (32)
p = 4(−2) = −8 and q = 6(4) = 24, so q − p = 32.