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2 results found for "sign of discriminant" in Class 10.

Question Easy Mathematics Quadratic Equations Nature of Roots Class 10 Level 37

समीकरण \(2x^2+4x+2=0\) के लिए विविक्तकर का चिन्ह क्या है?

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Correct Answer

A. शून्यzero

Step 1

(D=4²-4(2)(2)=0). So this is the case of equal real roots.

Step 2

The correct answer is A. शून्य / zero. (D=4²-4(2)(2)=0). So this is the case of equal real roots.

Step 3

(D=4²-4(2)(2)=0) है। इसलिए यह समान वास्तविक मूलों की स्थिति है।

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Question Easy Mathematics Quadratic Equations Nature of Roots Class 10 Level 37

Explanation opens after your attempt

Correct Answer

A. ऋणात्मकnegative

Step 1

(D=(-2)²-4(3)(4)=-44<0). Hence the discriminant is negative.

Step 2

The correct answer is A. ऋणात्मक / negative. (D=(-2)²-4(3)(4)=-44<0). Hence the discriminant is negative.

Step 3

(D=(-2)²-4(3)(4)=-44<0) है। अतः विविक्तकर ऋणात्मक है।

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