समांतर श्रेढ़ी \(-3,-7,-11,-15,\ldots\) का (12)वाँ पद क्या होगा?

What will be the (12)th term of the AP \(-3,-7,-11,-15,\ldots\)?

Explanation opens after your attempt
Correct Answer

A. (-47)

Step 1

Concept

Here (a=-3), (d=-4), so (a_{12}=-3+11(-4)=-47). Check signs twice when both values are negative.

Step 2

Why this answer is correct

The correct answer is A. (-47). Here (a=-3), (d=-4), so (a_{12}=-3+11(-4)=-47). Check signs twice when both values are negative.

Step 3

Exam Tip

यहाँ (a=-3), (d=-4) है, इसलिए (a_{12}=-3+11(-4)=-47)। दोनों मान ऋणात्मक हों तो चिन्ह दो बार जाँचें।

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Mathematics Answer, Explanation and Revision Hints

समांतर श्रेढ़ी \(-3,-7,-11,-15,\ldots\) का (12)वाँ पद क्या होगा? / What will be the (12)th term of the AP \(-3,-7,-11,-15,\ldots\)?

Correct Answer: A. (-47). Explanation: यहाँ (a=-3), (d=-4) है, इसलिए (a_{12}=-3+11(-4)=-47)। दोनों मान ऋणात्मक हों तो चिन्ह दो बार जाँचें। / Here (a=-3), (d=-4), so (a_{12}=-3+11(-4)=-47). Check signs twice when both values are negative.

Which concept should I revise for this Mathematics MCQ?

Here (a=-3), (d=-4), so (a_{12}=-3+11(-4)=-47). Check signs twice when both values are negative.

What exam hint can help solve this Mathematics question?

यहाँ (a=-3), (d=-4) है, इसलिए (a_{12}=-3+11(-4)=-47)। दोनों मान ऋणात्मक हों तो चिन्ह दो बार जाँचें।