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40 votes
40 votes
The middle term of the expansion


(ax + ay)^(n)
is

14580x ^(3) y^(3)
find the value of a and the value of n, where a, n are elements of N.​

User Aaron Navies
by
2.7k points

1 Answer

16 votes
16 votes

Answer:

Hello,

a=3

Explanation:

Since the middle term is x^3y^3 ==> n=6

Coefficient of x^3y^3 is 20 (triangle de Pascal)

So a^6= 14580/20=729 ==> a=3

User GreenBee
by
2.7k points