ibps-rrb-os1 2020 · Question 50 of 176
Simplification/Approximation
The series is :-X 1 + 1², X 2 + 2², X 3 + 3², X 4 + 4², X 5 + 5²
Source: IBPS RRB PO (Scale 1) Officer 2020 Mains Previous Year Paper — Answer Key & Detailed Solutions (memory-based compilation, ixamBee) · memory-based
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