Concept-wise Practice

equal condition MCQ Questions for Class 10

equal condition se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

1 questions tagged with equal condition.

समीकरण (x-2-(a+b)x+ab=0) के मूल समान कब होंगे?

When will the roots of (x-2-(a+b)x+ab=0) be equal?

Explanation opens after your attempt
Correct Answer

A. (a=b)

Step 1

Concept

Here (D=(a+b)2-4ab=(a-b)2). For equal roots (D=0), hence (a=b).

Step 2

Why this answer is correct

The correct answer is A. (a=b). Here (D=(a+b)2-4ab=(a-b)2). For equal roots (D=0), hence (a=b).

Step 3

Exam Tip

यहाँ (D=(a+b)2-4ab=(a-b)2) है। समान मूलों के लिए (D=0), अतः (a=b)।

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