What will come in the place of the question mark $(?)$ in the following equation?
$(23.1)^{2} + (48.6)^{2} - (39.8)^{2} = ? + 1147.69$
$(23.1)^{2} + (48.6)^{2} - (39.8)^{2} = ? + 1147.69$
- A$(13.6)^{2}$
- B$\sqrt{12.8}$
- C$163.84$
- D$12.8$
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