A) 417
B) 526
C) 750
D) 979
Correct Answer: D
Solution :
\[417\Rightarrow {{4}^{2}}+1=17\]\[526\Rightarrow \text{ }{{5}^{2}}+1=26\] \[750\Rightarrow {{7}^{2}}+1=50\]but \[979\Rightarrow {{9}^{2}}+1=82\cancel{=}79.\]You need to login to perform this action.
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