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Use the Binomial Theorem to Expand the Expression (5a+4b)4( 5 a + 4 b ) ^ { 4 }

Question 8

Multiple Choice

Use the Binomial Theorem to expand the expression (5a+4b) 4( 5 a + 4 b ) ^ { 4 } .


A) 625a4+256b4625 a ^ { 4 } + 256 b ^ { 4 }
B) a4+4a3b+6a2b2+4ab3+b4a ^ { 4 } + 4 a ^ { 3 } b + 6 a ^ { 2 } b ^ { 2 } + 4 a b ^ { 3 } + b ^ { 4 }
C) 625a4+500a3b+400a2b2+320ab3+256b4625 a ^ { 4 } + 500 a ^ { 3 } b + 400 a ^ { 2 } b ^ { 2 } + 320 a b ^ { 3 } + 256 b ^ { 4 }
D) a4+16a3b+96a2b2+256ab3+256b4a ^ { 4 } + 16 a ^ { 3 } b + 96 a ^ { 2 } b ^ { 2 } + 256 a b ^ { 3 } + 256 b ^ { 4 }
E) 625a4+2000a3b+2400a2b2+1280ab3+256b4625 a ^ { 4 } + 2000 a ^ { 3 } b + 2400 a ^ { 2 } b ^ { 2 } + 1280 a b ^ { 3 } + 256 b ^ { 4 }

Correct Answer:

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