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2 results found for "binomial product" in Class 10.

Question Easy Mathematics Quadratic Equations Introduction to Quadratic Equations Class 10 Level 29

((2x+1)(x-4)=0) का विस्तृत रूप क्या है?

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Correct Answer

A. \(2x^2-7x-4=0\)

Step 1

Expanding gives \(2x^2-8x+x-4=0\). Combining like terms gives \(2x^2-7x-4=0\).

Step 2

The correct answer is A. \(2x^2-7x-4=0\). Expanding gives \(2x^2-8x+x-4=0\). Combining like terms gives \(2x^2-7x-4=0\).

Step 3

विस्तार करने पर \(2x^2-8x+x-4=0\) मिलता है। समान पद जोड़कर \(2x^2-7x-4=0\) बनता है।

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Question Easy Mathematics Quadratic Equations Introduction to Quadratic Equations Class 10 Level 28

Explanation opens after your attempt

Correct Answer

A. \(x^2+5x+6=0\)

Step 1

Expansion gives \(x^2+3x+2x+6=0\). Combining like terms gives \(x^2+5x+6=0\).

Step 2

The correct answer is A. \(x^2+5x+6=0\). Expansion gives \(x^2+3x+2x+6=0\). Combining like terms gives \(x^2+5x+6=0\).

Step 3

विस्तार से \(x^2+3x+2x+6=0\) मिलता है। समान पद जोड़कर \(x^2+5x+6=0\) बनता है।

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