यदि \(a_n=3n^2-2n\) है, तो \(a_4\) का मान क्या होगा?

If \(a_n=3n^2-2n\), what is the value of \(a_4\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (40)

Step 1

Concept

(a_4=3(4)2-2(4)=40). Square first, then multiply and subtract.

Step 2

Why this answer is correct

The correct answer is C. (40). (a_4=3(4)2-2(4)=40). Square first, then multiply and subtract.

Step 3

Exam Tip

(a_4=3(4)2-2(4)=40)। पहले वर्ग करें, फिर गुणा और घटाव करें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_n=3n^2-2n\) है, तो \(a_4\) का मान क्या होगा? / If \(a_n=3n^2-2n\), what is the value of \(a_4\)?

Correct Answer: C. (40). Explanation: (a_4=3(4)2-2(4)=40)। पहले वर्ग करें, फिर गुणा और घटाव करें। / (a_4=3(4)2-2(4)=40). Square first, then multiply and subtract.

Which concept should I revise for this Mathematics MCQ?

(a_4=3(4)2-2(4)=40). Square first, then multiply and subtract.

What exam hint can help solve this Mathematics question?

(a_4=3(4)2-2(4)=40)। पहले वर्ग करें, फिर गुणा और घटाव करें।