समीकरण \(x^2+15x+54=0\) का विविक्तकर और मूल प्रकृति कौन सी है?

What are the discriminant and root nature of \(x^2+15x+54=0\)?

Explanation opens after your attempt
Correct Answer

A. (D=9), दो वास्तविक परिमेय असमान(D=9), two real rational distinct

Step 1

Concept

Here (D=152-4(1)(54)=9). Since (9) is a perfect square, the roots are rational and distinct.

Step 2

Why this answer is correct

The correct answer is A. (D=9), दो वास्तविक परिमेय असमान / (D=9), two real rational distinct. Here (D=152-4(1)(54)=9). Since (9) is a perfect square, the roots are rational and distinct.

Step 3

Exam Tip

यहाँ (D=152-4(1)(54)=9) है। (9) पूर्ण वर्ग है, इसलिए मूल परिमेय और असमान हैं।

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समीकरण \(x^2+15x+54=0\) का विविक्तकर और मूल प्रकृति कौन सी है? / What are the discriminant and root nature of \(x^2+15x+54=0\)?

Correct Answer: A. (D=9), दो वास्तविक परिमेय असमान / (D=9), two real rational distinct. Explanation: यहाँ (D=152-4(1)(54)=9) है। (9) पूर्ण वर्ग है, इसलिए मूल परिमेय और असमान हैं। / Here (D=152-4(1)(54)=9). Since (9) is a perfect square, the roots are rational and distinct.

Which concept should I revise for this Mathematics MCQ?

Here (D=152-4(1)(54)=9). Since (9) is a perfect square, the roots are rational and distinct.

What exam hint can help solve this Mathematics question?

यहाँ (D=152-4(1)(54)=9) है। (9) पूर्ण वर्ग है, इसलिए मूल परिमेय और असमान हैं।