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Use One of the Appropriate Patterns (a+b)2=a2+2ab+b2( a + b ) ^ { 2 } = a ^ { 2 } + 2 a b + b ^ { 2 }

Question 48

Multiple Choice

Use one of the appropriate patterns (a+b) 2=a2+2ab+b2( a + b ) ^ { 2 } = a ^ { 2 } + 2 a b + b ^ { 2 } (ab) 2=a22ab+b2( a - b ) ^ { 2 } = a ^ { 2 } - 2 a b + b ^ { 2 } (a+b) (ab) =a2b2( a + b ) ( a - b ) = a ^ { 2 } - b ^ { 2 } to find the following product. (6x+7y) 2( 6 x + 7 y ) ^ { 2 }


A) 36x2+84xy+7y236 x ^ { 2 } + 84 x y + 7 y ^ { 2 }
B) 36x284xy+49y236 x ^ { 2 } - 84 x y + 49 y ^ { 2 }
C) 36x2+42xy+49y236 x ^ { 2 } + 42 x y + 49 y ^ { 2 }
D) 36x2+84xy+49y236 x ^ { 2 } + 84 x y + 49 y ^ { 2 }
E) 36x2+49y236 x ^ { 2 } + 49 y ^ { 2 }

Correct Answer:

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