Multiply the Expression as You Would Multiply Polynomials $$\left( x ^ { 7 / 2 } + y ^ { 9 / 2 } \right) ^ { 2 }$$

question 5

Multiple Choice

Multiply the expression as you would multiply polynomials. $$\left( x ^ { 7 / 2 } + y ^ { 9 / 2 } \right) ^ { 2 }$$

• A) \(\quad x ^ { 7 } + 2 x ^ { 7 / 2 } y ^ { 9 / 2 } + y ^ { 9 }\)
• B) \(\quad x ^ { 7 } - 2 x ^ { 7 } y ^ { 9 } + y ^ { 9 }\)
• C) \(\quad x ^ { 7 } + x ^ { 7 } y ^ { 9 } + y ^ { 9 }\)
• D) \(\quad x ^ { 7 } + y ^ { 9 }\)

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