Easy Mathematics Quadratic Equations Class 10 Level 36

पूर्ण वर्ग विधि में \(x^2+20x+13=0\) के लिए कौनसी संख्या जोड़ी और घटाई जाएगी?

In completing square method for \(x^2+20x+13=0\), which number will be added and subtracted?

Explanation opens after your attempt
Correct Answer

A. (100)

Step 1

Concept

Half of (20) is (10), and \(10^2=100\). In exams, use (\left\(\frac{b}{2}\right\)2).

Step 2

Why this answer is correct

The correct answer is A. (100). Half of (20) is (10), and \(10^2=100\). In exams, use (\left\(\frac{b}{2}\right\)2).

Step 3

Exam Tip

(20) का आधा (10) है और \(10^2=100\) होता है। परीक्षा में (\left\(\frac{b}{2}\right\)2) का प्रयोग करें।

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पूर्ण वर्ग विधि में \(x^2+20x+13=0\) के लिए कौनसी संख्या जोड़ी और घटाई जाएगी? / In completing square method for \(x^2+20x+13=0\), which number will be added and subtracted?

Correct Answer: A. (100). Explanation: (20) का आधा (10) है और \(10^2=100\) होता है। परीक्षा में (\left\(\frac{b}{2}\right\)2) का प्रयोग करें। / Half of (20) is (10), and \(10^2=100\). In exams, use (\left\(\frac{b}{2}\right\)2).

Which concept should I revise for this Mathematics MCQ?

Half of (20) is (10), and \(10^2=100\). In exams, use (\left\(\frac{b}{2}\right\)2).

What exam hint can help solve this Mathematics question?

(20) का आधा (10) है और \(10^2=100\) होता है। परीक्षा में (\left\(\frac{b}{2}\right\)2) का प्रयोग करें।

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