QUESTION 2 a) Given the expression $(4x^2 + y^3)^9$. Using the Binomial Theorem, i) state the number of terms of the expansion. ii) find the fifth term of the expansion. iii) find the coefficient of $x^4y^{21}$. (9 marks)
Added by Leslie P.
Close
Step 1
In this case, our expression is (4x^2y), so the number of terms in the expansion is (2 + 1) = 3. b) Show more…
Show all steps
Your feedback will help us improve your experience
Teresa Wray and 59 other Intro Stats / AP Statistics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Q7. In the binomial expansion of (2 - 3/x)^8 written in terms of descending powers of x, find: a. The 4th term. b. The coefficient of x^-4
Lianett H.
Use the Binomial Theorem to find the indicated term or coefficient. The sixth term in the expansion of $(x+4 y)^{5}$
More Topics in Algebra
The Binomial Theorem
Determine the binomial coefficient for the fifth term in the expansion of $(x+y)^{9}$.
Piyush Kumar G.
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD