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
A. योग (a+2) और गुणनफल (2a) हैSum is (a+2) and product is (2a)
Concept
The roots (2) and (a) have sum (a+2) and product (2a). Therefore the given monic equation is correct.
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.
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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