Multiply Assume That Variables Used as Exponents Represent Positive Integers $$\left( x ^ { a } + 7 y ^ { 2 b } \right) \left( x ^ { a } - 7 y ^ { 2 b } \right)$$

question 97

Multiple Choice

Multiply. Assume that variables used as exponents represent positive integers.
- $$\left( x ^ { a } + 7 y ^ { 2 b } \right) \left( x ^ { a } - 7 y ^ { 2 b } \right)$$

• A) \(x ^ { 2 a } - 14 x ^ { a } y ^ { 2 b } - 49 y 4 b\)
• B) \(x ^ { 2 a } + 14 x ^ { a } y ^ { 2 b } - 49 y 4 b\)
• C) \(x ^ { 2 } a - 14 y 4 b\)
• D) \(x ^ { 2 a } - 49 y 4 b\)

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