Hard Mathematics Quadratic Equations Class 10 Level 32

यदि (x-2-(a+2)x+2a=0) के मूल (2) और (a) हैं तो कौन सा कारण सही है?

If roots of (x-2-(a+2)x+2a=0) are (2) and (a), which reason is correct?

Explanation opens after your attempt
Correct Answer

A. योग (a+2) और गुणनफल (2a) हैSum is (a+2) and product is (2a)

Step 1

Concept

The roots (2) and (a) have sum (a+2) and product (2a). Therefore the given monic equation is correct.

Step 2

Why this answer is correct

The correct answer is A. योग (a+2) और गुणनफल (2a) है / Sum is (a+2) and product is (2a). The roots (2) and (a) have sum (a+2) and product (2a). Therefore the given monic equation is correct.

Step 3

Exam Tip

मूल (2) और (a) का योग (a+2) तथा गुणनफल (2a) है। इसलिए दिया गया मोनिक समीकरण सही बनता है।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि (x-2-(a+2)x+2a=0) के मूल (2) और (a) हैं तो कौन सा कारण सही है? / If roots of (x-2-(a+2)x+2a=0) are (2) and (a), which reason is correct?

Correct Answer: A. योग (a+2) और गुणनफल (2a) है / Sum is (a+2) and product is (2a). Explanation: मूल (2) और (a) का योग (a+2) तथा गुणनफल (2a) है। इसलिए दिया गया मोनिक समीकरण सही बनता है। / The roots (2) and (a) have sum (a+2) and product (2a). Therefore the given monic equation is correct.

Which concept should I revise for this Mathematics MCQ?

The roots (2) and (a) have sum (a+2) and product (2a). Therefore the given monic equation is correct.

What exam hint can help solve this Mathematics question?

मूल (2) और (a) का योग (a+2) तथा गुणनफल (2a) है। इसलिए दिया गया मोनिक समीकरण सही बनता है।

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