Question

Find the coefficient of y^9 in the expansion of (5-2y)^11

Answer 1

Answer:

1)y^9+0y^8+0y^7+0y^6+0y^5+0y^4+0y^3+0y^2+0y+0

means coefficient form is (1,0,0,0,0,0,0,0,0,0)

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