Question
Easy
The sum of 1-1+1-1+1-1... to even number of terms is-
1
zero
2
-1
3
$+1$
4
2
Question Details
Time to Solve: 12
Exam: CTET
Level/Paper: CTET_P1
Chapter: Algebra
Topic: Sequences and Series (AP, GP, HP)
Correct Answer
Option A
Explanation
The sum of the series 1 - 1 + 1 - 1 + 1 - 1... to an even number of terms is zero. Let's break down why this is the case and why Option 1 is the correct answer. 1. Explanation for Option 1 (Correct Answer: Zero): - The series 1 - 1 + 1 - 1 + 1 - 1... is an alternating series where each pair of…Read More
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