समीकरण \(x^2-18x+81=0\) के मूलों का योग और गुणनफल क्रमशः क्या हैं?

For \(x^2-18x+81=0\), what are the sum and product of roots respectively?

Explanation opens after your attempt
Correct Answer

A. (18) और (81)(18) and (81)

Step 1

Concept

It is ((x-9)2=0), so both roots are (9). The sum is (18) and the product is (81).

Step 2

Why this answer is correct

The correct answer is A. (18) और (81) / (18) and (81). It is ((x-9)2=0), so both roots are (9). The sum is (18) and the product is (81).

Step 3

Exam Tip

यह ((x-9)2=0) है इसलिए दोनों मूल (9) हैं। योग (18) और गुणनफल (81) होगा।

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Mathematics Answer, Explanation and Revision Hints

समीकरण \(x^2-18x+81=0\) के मूलों का योग और गुणनफल क्रमशः क्या हैं? / For \(x^2-18x+81=0\), what are the sum and product of roots respectively?

Correct Answer: A. (18) और (81) / (18) and (81). Explanation: यह ((x-9)2=0) है इसलिए दोनों मूल (9) हैं। योग (18) और गुणनफल (81) होगा। / It is ((x-9)2=0), so both roots are (9). The sum is (18) and the product is (81).

Which concept should I revise for this Mathematics MCQ?

It is ((x-9)2=0), so both roots are (9). The sum is (18) and the product is (81).

What exam hint can help solve this Mathematics question?

यह ((x-9)2=0) है इसलिए दोनों मूल (9) हैं। योग (18) और गुणनफल (81) होगा।