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Question

Choose the correct answer from the alternatives given.
If 12+22 +.... + x2 = x(x+1)(2x+1)6then 12
+ 32+ 52 + .... + 192 is equal to
  1. 1330
  2. 2100
  3. 2485
  4. 2470

A
2100
B
2470
C
1330
D
2485
Solution
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