Question

In: Advanced Math

find the coefficient for the terms (A) What is the coefficient for the term x 4y...

find the coefficient for the terms

(A) What is the coefficient for the term x 4y 3 in (x + y) 7 ?

(B) What is the coefficient for the term x 4y 3 in (x − y) 7 ?

(C) What is the coefficient for the term x 2y 3 z 2 in (x + y + z) 7 ?

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