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

question 48

Multiple Choice

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

• A) \(36 x ^ { 2 } + 84 x y + 7 y ^ { 2 }\)
• B) \(36 x ^ { 2 } - 84 x y + 49 y ^ { 2 }\)
• C) \(36 x ^ { 2 } + 42 x y + 49 y ^ { 2 }\)
• D) \(36 x ^ { 2 } + 84 x y + 49 y ^ { 2 }\)
• E) \(36 x ^ { 2 } + 49 y ^ { 2 }\)

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