Use Pascal S Triangle to Help Expand the Expression $( x - y ) ^ { 4 }$

question 45

Multiple Choice

Use Pascal s triangle to help expand the expression. $( x - y ) ^ { 4 }$

• A) \(x ^ { 4 } + 3 x ^ { 3 } y + 5 x ^ { 2 } y ^ { 2 } + 3 x y ^ { 3 } + y ^ { 4 }\)
• B) \(x ^ { 4 } - 4 x ^ { 3 } y + 6 x ^ { 2 } y ^ { 2 } - 4 x y ^ { 3 } + y ^ { 4 }\)
• C) \(x ^ { 4 } + 4 x ^ { 3 } y + 6 x ^ { 2 } y ^ { 2 } + 4 x y ^ { 3 } + y ^ { 4 }\)
• D) \(x ^ { 4 } - 3 x ^ { 3 } y + 5 x ^ { 2 } y ^ { 2 } - 3 x y ^ { 3 } + y ^ { 4 }\)
• E) \(x ^ { 4 } - 4 x ^ { 3 } y - 6 x ^ { 2 } y ^ { 2 } - 4 x y ^ { 3 } + y ^ { 4 }\)

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