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

Question 123

Multiple Choice

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


A) 343a3147a2b+21ab2+b3343 a ^ { 3 } - 147 a ^ { 2 } b + 21 a b ^ { 2 } + b ^ { 3 }
B) a3+147a2b+21ab2+b3a ^ { 3 } + 147 a ^ { 2 } b + 21 a b ^ { 2 } + b ^ { 3 }
C) 343a3+147a2b21ab2+b3343 a ^ { 3 } + 147 a ^ { 2 } b - 21 a b ^ { 2 } + b ^ { 3 }
D) 343a3+147a2b+21ab2b3343 a ^ { 3 } + 147 a ^ { 2 } b + 21 a b ^ { 2 } - b ^ { 3 }
E) 343a3+147a2b+21ab2+b3343 a ^ { 3 } + 147 a ^ { 2 } b + 21 a b ^ { 2 } + b ^ { 3 }

Correct Answer:

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