Enderboy4020viz
Enderboy4020viz
Math
Answered
what is the coefficients of x2y3?
A. 0
B. 1
C. 2
D. 4
Sagot :
Clarizemaebinarao81viz
Clarizemaebinarao81viz
Answer:
2
Step-by-step explanation:
The coefficient of x2y3 in the expansion of (1−x+y)20 is. 20! 2!
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