यदि \(a_1=8\) और (a_{n+1}=a_n+n(n+2)+2^n) है तो \(a_4\) क्या होगा?

If \(a_1=8\) and (a_{n+1}=a_n+n(n+2)+2^n), what is \(a_4\)?

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

C. (48)

Step 1

Concept

The added values are (5,12,23), so \(a_4=48\). Exam tip: calculate both the product and the power.

Step 2

Why this answer is correct

The correct answer is C. (48). The added values are (5,12,23), so \(a_4=48\). Exam tip: calculate both the product and the power.

Step 3

Exam Tip

जुड़ने वाले मान (5,12,23) हैं इसलिए \(a_4=48\) है। गुणनफल और घात दोनों निकालें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=8\) और (a_{n+1}=a_n+n(n+2)+2^n) है तो \(a_4\) क्या होगा? / If \(a_1=8\) and (a_{n+1}=a_n+n(n+2)+2^n), what is \(a_4\)?

Correct Answer: C. (48). Explanation: जुड़ने वाले मान (5,12,23) हैं इसलिए \(a_4=48\) है। गुणनफल और घात दोनों निकालें। / The added values are (5,12,23), so \(a_4=48\). Exam tip: calculate both the product and the power.

Which concept should I revise for this Mathematics MCQ?

The added values are (5,12,23), so \(a_4=48\). Exam tip: calculate both the product and the power.

What exam hint can help solve this Mathematics question?

जुड़ने वाले मान (5,12,23) हैं इसलिए \(a_4=48\) है। गुणनफल और घात दोनों निकालें।