यदि \(a_1=9\) और \(a_{n+1}=a_n+2n-2\) है तो \(a_4\) क्या होगा?

If \(a_1=9\) and \(a_{n+1}=a_n+2n-2\), what is \(a_4\)?

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

B. (15)

Step 1

Concept

The terms are (9,9,11,15), so \(a_4=15\). Exam tip: (2n-2) changes at each step.

Step 2

Why this answer is correct

The correct answer is B. (15). The terms are (9,9,11,15), so \(a_4=15\). Exam tip: (2n-2) changes at each step.

Step 3

Exam Tip

पद (9,9,11,15) हैं इसलिए \(a_4=15\) है। (2n-2) का मान हर चरण में 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 \(a_1=9\) और \(a_{n+1}=a_n+2n-2\) है तो \(a_4\) क्या होगा? / If \(a_1=9\) and \(a_{n+1}=a_n+2n-2\), what is \(a_4\)?

Correct Answer: B. (15). Explanation: पद (9,9,11,15) हैं इसलिए \(a_4=15\) है। (2n-2) का मान हर चरण में बदलता है। / The terms are (9,9,11,15), so \(a_4=15\). Exam tip: (2n-2) changes at each step.

Which concept should I revise for this Mathematics MCQ?

The terms are (9,9,11,15), so \(a_4=15\). Exam tip: (2n-2) changes at each step.

What exam hint can help solve this Mathematics question?

पद (9,9,11,15) हैं इसलिए \(a_4=15\) है। (2n-2) का मान हर चरण में बदलता है।