(2(x+3)2-5) को सरल द्विघात रूप में लिखिए।

Write (2(x+3)2-5) in simplified quadratic form.

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

B. \(2x^2+12x+13\)

Step 1

Concept

Since ((x+3)2=x-2+6x+9), multiply by (2) and subtract (5). Exam tip: apply the outside multiplier to the whole bracket.

Step 2

Why this answer is correct

The correct answer is B. \(2x^2+12x+13\). Since ((x+3)2=x-2+6x+9), multiply by (2) and subtract (5). Exam tip: apply the outside multiplier to the whole bracket.

Step 3

Exam Tip

((x+3)2=x-2+6x+9) है और (2) से गुणा करके (5) घटाएं। परीक्षा में बाहरी गुणन पूरे कोष्ठक पर लगाएं।

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Mathematics Answer, Explanation and Revision Hints

(2(x+3)2-5) को सरल द्विघात रूप में लिखिए। / Write (2(x+3)2-5) in simplified quadratic form.

Correct Answer: B. \(2x^2+12x+13\). Explanation: ((x+3)2=x-2+6x+9) है और (2) से गुणा करके (5) घटाएं। परीक्षा में बाहरी गुणन पूरे कोष्ठक पर लगाएं। / Since ((x+3)2=x-2+6x+9), multiply by (2) and subtract (5). Exam tip: apply the outside multiplier to the whole bracket.

Which concept should I revise for this Mathematics MCQ?

Since ((x+3)2=x-2+6x+9), multiply by (2) and subtract (5). Exam tip: apply the outside multiplier to the whole bracket.

What exam hint can help solve this Mathematics question?

((x+3)2=x-2+6x+9) है और (2) से गुणा करके (5) घटाएं। परीक्षा में बाहरी गुणन पूरे कोष्ठक पर लगाएं।