Discussion
The product of two numbers is 120 and their sum is 22. The larger number is:
Answer: B
\[ (a-b)^{2} = (a+b)^{2} - 4ab = 484 - 480 = 4 \]
\[ a - b = 2 \quad\Longrightarrow\quad a = 12, \ b = 10 \]
So the larger is 12.
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