यदि \(\alpha\) और \(\beta\) समीकरण \(x^2-8x+15=0\) के मूल हैं तो \(\alpha+\beta+\alpha\beta\) का मान क्या है?

If \(\alpha\) and \(\beta\) are roots of \(x^2-8x+15=0\), what is the value of \(\alpha+\beta+\alpha\beta\)?

Explanation opens after your attempt
Correct Answer

A. (23)

Step 1

Concept

Here \(\alpha+\beta=8\) and \(\alpha\beta=15\). Therefore the total is (8+15=23).

Step 2

Why this answer is correct

The correct answer is A. (23). Here \(\alpha+\beta=8\) and \(\alpha\beta=15\). Therefore the total is (8+15=23).

Step 3

Exam Tip

यहां \(\alpha+\beta=8\) और \(\alpha\beta=15\) है। इसलिए कुल (8+15=23) है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(\alpha\) और \(\beta\) समीकरण \(x^2-8x+15=0\) के मूल हैं तो \(\alpha+\beta+\alpha\beta\) का मान क्या है? / If \(\alpha\) and \(\beta\) are roots of \(x^2-8x+15=0\), what is the value of \(\alpha+\beta+\alpha\beta\)?

Correct Answer: A. (23). Explanation: यहां \(\alpha+\beta=8\) और \(\alpha\beta=15\) है। इसलिए कुल (8+15=23) है। / Here \(\alpha+\beta=8\) and \(\alpha\beta=15\). Therefore the total is (8+15=23).

Which concept should I revise for this Mathematics MCQ?

Here \(\alpha+\beta=8\) and \(\alpha\beta=15\). Therefore the total is (8+15=23).

What exam hint can help solve this Mathematics question?

यहां \(\alpha+\beta=8\) और \(\alpha\beta=15\) है। इसलिए कुल (8+15=23) है।