ion of (a + b)² ficient of bº in (2 − b)¹⁹? - ficient of a101 b9⁹ in the expa For the coefficient of ak in th

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 6DE
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DISCRETE MATHS (COUNTING)

Based on the image attached, solve the questions with clear steps of calculation.

*HELP ME ANSWER QUESTION C AND D ONLY

4. Solve the following Binomial problems:
a) Find the expansion of (a + b)²
b) What is the coefficient of b⁹ in (2 − b)¹⁹?
c) What is the coefficient of a¹0169⁹ in the expansion of (2a − 3b)200?
-
d) Give a formula for the coefficient of ak in the expansion of (a²
where k E Z.
-
100
Transcribed Image Text:4. Solve the following Binomial problems: a) Find the expansion of (a + b)² b) What is the coefficient of b⁹ in (2 − b)¹⁹? c) What is the coefficient of a¹0169⁹ in the expansion of (2a − 3b)200? - d) Give a formula for the coefficient of ak in the expansion of (a² where k E Z. - 100
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