Consider two arithmetic progressions: AP C: 5, 9, 13, … AP D: 40, 34, 28, … Find the…

MATHEMATICS · Subjective · CBSE · Mathematics · Arithmetic Progressions · Arithmetic Progressions

Problem

Consider two arithmetic progressions: AP C: 5, 9, 13, … AP D: 40, 34, 28, … Find the least positive integer

n

for which the sum of the first

n

terms of AP C is greater than the sum of the first

n

terms of AP D.