A) 10
B) 20
C) 50
D) 60
E) Zero
Correct Answer: E
Solution :
\[17={{(7+2)}^{2}}-{{(5+3)}^{2}}\] \[69={{(9+4)}^{2}}-{{(8+2)}^{2}}\] \[?={{(4+1)}^{2}}-{{(2+3)}^{2}}=0\]You need to login to perform this action.
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