CBSE

MATHEMATICS · Single correct · CBSE · Mathematics · Arithmetic Progressions · Arithmetic Progressions

Problem

Evaluate ∑k=312(2k−1)\displaystyle \sum_{k=3}^{12} (2k - 1). (a) 143143 (b) 130130 (c) 140140 (d) 180180

Related theory

Browse the problem library