1. What is the coefficient of x7 is the expansion of (2x°+20 ? [if the answer has a form like 29C,"b*, what is the value of (a+b+k) ?
1. What is the coefficient of x7 is the expansion of (2x°+20 ? [if the answer has a form like 29C,"b*, what is the value of (a+b+k) ?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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please find the attached image
![Lecture 4:
Topic: Binomial and Multinomial
1. What is the coefficient of x7 is the expansion of (2x'+9 ? [if the answer has a
form like 29C,"b*, what is the value of (a+b+k) ?
2. The 3rd term in the expansion of (y²+2/y)?1 and the 3rd term in the expansion of
(y+%)7 are equal. What is the value of y? [Give the answer in fractional form]
3. What is the coefficient of z in the expansion of(z°+3z+1)® ?
4. What is the coefficient of a°b°c² in the expansion of (370a+285b+99c)" ?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4b063e57-fe46-40a4-9e61-1c7746342677%2Fd6b86ae2-7e51-495f-984c-32e6b109391d%2Fu8x4t4g_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Lecture 4:
Topic: Binomial and Multinomial
1. What is the coefficient of x7 is the expansion of (2x'+9 ? [if the answer has a
form like 29C,"b*, what is the value of (a+b+k) ?
2. The 3rd term in the expansion of (y²+2/y)?1 and the 3rd term in the expansion of
(y+%)7 are equal. What is the value of y? [Give the answer in fractional form]
3. What is the coefficient of z in the expansion of(z°+3z+1)® ?
4. What is the coefficient of a°b°c² in the expansion of (370a+285b+99c)" ?
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