A) 16
B) 28
C) 36
D) 42
Correct Answer: A
Solution :
\[{{(42)}^{2}}-{{(?)}^{2}}=3563-2055\] \[{{?}^{2}}=1764-3563+2055=256\] \[?=16\] ?2 = 1764-3563+2055=256 ? = 16You need to login to perform this action.
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