Problem 178 of 7
Correct the Binomial Theorem error: A student expands (a+b)^4 and lists only 4 terms.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
diagnose Pascal row, sign, coefficient, and exponent mistakes.
Hidden until you reveal it.
Correction must fix Pascal row, sign, coefficient power, or indexing mistake.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify the type of binomial theorem mistake.
2. State the correct row, sign, power, or index.
3. Rewrite the affected term or expansion part.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Giving a full expansion without identifying the error.