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Question Medium Mathematics Quadratic Equations Methods of Solving Quadratic Equations Class 10 Level 36

द्विघात सूत्र से \(5x^2-10x-3=0\) के लिए (D) का मान क्या है?

Using the quadratic formula setup, what is the value of (D) for \(5x^2-10x-3=0\)?

Explanation opens after your attempt
Correct Answer

A. (160)

Step 1

Concept

Here (D=(-10)2-4(5)(-3)=160). In exams, a negative (c) makes the second term add.

Step 2

Why this answer is correct

The correct answer is A. (160). Here (D=(-10)2-4(5)(-3)=160). In exams, a negative (c) makes the second term add.

Step 3

Exam Tip

यहां (D=(-10)2-4(5)(-3)=160) है। परीक्षा में ऋणात्मक (c) के कारण दूसरा पद जुड़ता है।

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Question Medium Mathematics Quadratic Equations Methods of Solving Quadratic Equations Class 10 Level 35

द्विघात सूत्र से \(3x^2-6x-2=0\) के लिए (D) का मान क्या है?

Using the quadratic formula setup, what is the value of (D) for \(3x^2-6x-2=0\)?

Explanation opens after your attempt
Correct Answer

A. (60)

Step 1

Concept

Here (D=(-6)2-4(3)(-2)=60). In exams, a negative (c) makes the second term add.

Step 2

Why this answer is correct

The correct answer is A. (60). Here (D=(-6)2-4(3)(-2)=60). In exams, a negative (c) makes the second term add.

Step 3

Exam Tip

यहां (D=(-6)2-4(3)(-2)=60) है। परीक्षा में ऋणात्मक (c) के कारण दूसरा पद जुड़ता है।

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Question Medium Mathematics Quadratic Equations Methods of Solving Quadratic Equations Class 10 Level 34

द्विघात सूत्र से \(2x^2-4x-3=0\) के लिए (D) का मान क्या है?

Using the quadratic formula setup, what is the value of (D) for \(2x^2-4x-3=0\)?

Explanation opens after your attempt
Correct Answer

A. (40)

Step 1

Concept

Here (D=(-4)2-4(2)(-3)=40). In exams, a negative (c) makes the term add.

Step 2

Why this answer is correct

The correct answer is A. (40). Here (D=(-4)2-4(2)(-3)=40). In exams, a negative (c) makes the term add.

Step 3

Exam Tip

यहां (D=(-4)2-4(2)(-3)=40) है। परीक्षा में ऋणात्मक (c) के कारण जोड़ बनता है।

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