समीकरण (x-2-2(c+1)x+c-2-2c+5=0) के वास्तविक मूलों के लिए (c) पर क्या शर्त है?

What condition on (c) is needed for real roots of (x-2-2(c+1)x+c-2-2c+5=0)?

Explanation opens after your attempt
Correct Answer

A. \(c\ge1\)

Step 1

Concept

For real roots, \(D\ge0\) is required. Here (D=16(c-1)), so \(c\ge1\).

Step 2

Why this answer is correct

The correct answer is A. \(c\ge1\). For real roots, \(D\ge0\) is required. Here (D=16(c-1)), so \(c\ge1\).

Step 3

Exam Tip

वास्तविक मूलों के लिए \(D\ge0\) चाहिए। यहाँ (D=16(c-1)), इसलिए \(c\ge1\)।

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समीकरण (x-2-2(c+1)x+c-2-2c+5=0) के वास्तविक मूलों के लिए (c) पर क्या शर्त है? / What condition on (c) is needed for real roots of (x-2-2(c+1)x+c-2-2c+5=0)?

Correct Answer: A. \(c\ge1\). Explanation: वास्तविक मूलों के लिए \(D\ge0\) चाहिए। यहाँ (D=16(c-1)), इसलिए \(c\ge1\)। / For real roots, \(D\ge0\) is required. Here (D=16(c-1)), so \(c\ge1\).

Which concept should I revise for this Mathematics MCQ?

For real roots, \(D\ge0\) is required. Here (D=16(c-1)), so \(c\ge1\).

What exam hint can help solve this Mathematics question?

वास्तविक मूलों के लिए \(D\ge0\) चाहिए। यहाँ (D=16(c-1)), इसलिए \(c\ge1\)।