Use the Binomial Theorem to Expand and Simplify the Expression $( 7 a + b ) ^ { 3 }$

question 123

Multiple Choice

Use the Binomial Theorem to expand and simplify the expression. $( 7 a + b ) ^ { 3 }$

• A) \(343 a ^ { 3 } - 147 a ^ { 2 } b + 21 a b ^ { 2 } + b ^ { 3 }\)
• B) \(a ^ { 3 } + 147 a ^ { 2 } b + 21 a b ^ { 2 } + b ^ { 3 }\)
• C) \(343 a ^ { 3 } + 147 a ^ { 2 } b - 21 a b ^ { 2 } + b ^ { 3 }\)
• D) \(343 a ^ { 3 } + 147 a ^ { 2 } b + 21 a b ^ { 2 } - b ^ { 3 }\)
• E) \(343 a ^ { 3 } + 147 a ^ { 2 } b + 21 a b ^ { 2 } + b ^ { 3 }\)

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