+3 votes
in JEE by kratos

The largest perfect square that divides 20143 – 20133 + 20123 – 20113 + .... + 23 – 13 is -

(A) 12

(B) 22

(C) 10072

(D) 20142

1 Answer

+4 votes
by kratos
 
Best answer

Correct option (C) 10072

Explanation:

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