Medium Mathematics Quadratic Equations Class 10 Level 29

समीकरण \(-4x^2+6x-9=0\) के लिए (a-b+c) का मान क्या है?

For the equation \(-4x^2+6x-9=0\), what is the value of (a-b+c)?

Explanation opens after your attempt
Correct Answer

B. (-19)

Step 1

Concept

Here (a=-4), (b=6), (c=-9). Hence (a-b+c=-4-6-9=-19).

Step 2

Why this answer is correct

The correct answer is B. (-19). Here (a=-4), (b=6), (c=-9). Hence (a-b+c=-4-6-9=-19).

Step 3

Exam Tip

यहाँ (a=-4), (b=6), (c=-9) हैं। इसलिए (a-b+c=-4-6-9=-19) है।

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Mathematics Answer, Explanation and Revision Hints

समीकरण \(-4x^2+6x-9=0\) के लिए (a-b+c) का मान क्या है? / For the equation \(-4x^2+6x-9=0\), what is the value of (a-b+c)?

Correct Answer: B. (-19). Explanation: यहाँ (a=-4), (b=6), (c=-9) हैं। इसलिए (a-b+c=-4-6-9=-19) है। / Here (a=-4), (b=6), (c=-9). Hence (a-b+c=-4-6-9=-19).

Which concept should I revise for this Mathematics MCQ?

Here (a=-4), (b=6), (c=-9). Hence (a-b+c=-4-6-9=-19).

What exam hint can help solve this Mathematics question?

यहाँ (a=-4), (b=6), (c=-9) हैं। इसलिए (a-b+c=-4-6-9=-19) है।

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