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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 18

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. (3x+3y) 2( 3 x + 3 y ) ^ { 2 }


A) 9x2+18xy+3y29 x ^ { 2 } + 18 x y + 3 y ^ { 2 }
B) 9x2+9xy+9y29 x ^ { 2 } + 9 x y + 9 y ^ { 2 }
C) 9x2+18xy+9y29 x ^ { 2 } + 18 x y + 9 y ^ { 2 }
D) 9x218xy+9y29 x ^ { 2 } - 18 x y + 9 y ^ { 2 }
E) none of these

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