यदि \(a_1=5\) और (a_{n+1}=a_n+(-1)^n) है तो \(a_5\) क्या होगा?

If \(a_1=5\) and (a_{n+1}=a_n+(-1)^n), what is \(a_5\)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

C. (5)

Step 1

Concept

The terms are (5,4,5,4,5), so \(a_5=5\). Exam tip: the sign of ((-1)^n) changes with even and odd (n).

Step 2

Why this answer is correct

The correct answer is C. (5). The terms are (5,4,5,4,5), so \(a_5=5\). Exam tip: the sign of ((-1)^n) changes with even and odd (n).

Step 3

Exam Tip

पद (5,4,5,4,5) हैं इसलिए \(a_5=5\) है। ((-1)^n) में सम और विषम (n) का चिह्न बदलता है।

Question me issue ya doubt hai?

Answer, explanation, typing mistake ya suggestion directly hamari team ko bhejein. 📱Helpline (Call / WhatsApp): +91 7272824365

Related Mathematics Questions

FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=5\) और (a_{n+1}=a_n+(-1)^n) है तो \(a_5\) क्या होगा? / If \(a_1=5\) and (a_{n+1}=a_n+(-1)^n), what is \(a_5\)?

Correct Answer: C. (5). Explanation: पद (5,4,5,4,5) हैं इसलिए \(a_5=5\) है। ((-1)^n) में सम और विषम (n) का चिह्न बदलता है। / The terms are (5,4,5,4,5), so \(a_5=5\). Exam tip: the sign of ((-1)^n) changes with even and odd (n).

Which concept should I revise for this Mathematics MCQ?

The terms are (5,4,5,4,5), so \(a_5=5\). Exam tip: the sign of ((-1)^n) changes with even and odd (n).

What exam hint can help solve this Mathematics question?

पद (5,4,5,4,5) हैं इसलिए \(a_5=5\) है। ((-1)^n) में सम और विषम (n) का चिह्न बदलता है।