The coefficient of x²¹ in expansion of (x+x²)²⁰ is
Answers
Answered by
1
Step-by-step explanation:
This can also be written as x²⁰(1+x)²⁰
Which means we have to find coefficient of x¹ in (1+x)²⁰
because x²⁰ is already there in multiplication.
Therefore the answer is
²⁰C1 = 20
Answered by
0
Answer:
Mark me as brainliest and thank me if the answer is useful.
Step-by-step explanation:
Attachments:
Similar questions