Expert Mathematics Quadratic Equations Class 10 Level 30

यदि (a=-4) हो, तो ((a+4)x-2+\(a^2-16\)x+13=0) किस प्रकार का कथन बनेगा?

If (a=-4), what type of statement will ((a+4)x-2+\(a^2-16\)x+13=0) become?

Explanation opens after your attempt
Correct Answer

A. विरोधाभासी कथनContradictory statement

Step 1

Concept

Putting (a=-4) gives \(0x^2+0x+13=0\). This is (13=0), which is a contradictory statement.

Step 2

Why this answer is correct

The correct answer is A. विरोधाभासी कथन / Contradictory statement. Putting (a=-4) gives \(0x^2+0x+13=0\). This is (13=0), which is a contradictory statement.

Step 3

Exam Tip

(a=-4) रखने पर \(0x^2+0x+13=0\) मिलता है। यह (13=0) है, जो विरोधाभासी कथन है।

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Mathematics Answer, Explanation and Revision Hints

यदि (a=-4) हो, तो ((a+4)x-2+\(a^2-16\)x+13=0) किस प्रकार का कथन बनेगा? / If (a=-4), what type of statement will ((a+4)x-2+\(a^2-16\)x+13=0) become?

Correct Answer: A. विरोधाभासी कथन / Contradictory statement. Explanation: (a=-4) रखने पर \(0x^2+0x+13=0\) मिलता है। यह (13=0) है, जो विरोधाभासी कथन है। / Putting (a=-4) gives \(0x^2+0x+13=0\). This is (13=0), which is a contradictory statement.

Which concept should I revise for this Mathematics MCQ?

Putting (a=-4) gives \(0x^2+0x+13=0\). This is (13=0), which is a contradictory statement.

What exam hint can help solve this Mathematics question?

(a=-4) रखने पर \(0x^2+0x+13=0\) मिलता है। यह (13=0) है, जो विरोधाभासी कथन है।

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