Shrabana G. answered 04/22/20
Tutor
New to Wyzant
Math tutor with Software Engg background
The coefficient of xn-ryr = n C r
(3x -3y)11 = 311(x -y)11
So its 311(-1)(11C7)
Nadya J.
asked 04/20/20What is the coefficient?
Shrabana G. answered 04/22/20
Math tutor with Software Engg background
The coefficient of xn-ryr = n C r
(3x -3y)11 = 311(x -y)11
So its 311(-1)(11C7)
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