Expert Mathematics Quadratic Equations Class 10 Level 29

समीकरण (2(x-1)2+3(x+2)2=65) का मानक रूप कौन-सा है?

What is the standard form of (2(x-1)2+3(x+2)2=65)?

Explanation opens after your attempt
Correct Answer

A. \(5x^2+8x-51=0\)

Step 1

Concept

Expanding gives \(2x^2-4x+2+3x^2+12x+12=65\). Simplifying gives \(5x^2+8x-51=0\).

Step 2

Why this answer is correct

The correct answer is A. \(5x^2+8x-51=0\). Expanding gives \(2x^2-4x+2+3x^2+12x+12=65\). Simplifying gives \(5x^2+8x-51=0\).

Step 3

Exam Tip

विस्तार करने पर \(2x^2-4x+2+3x^2+12x+12=65\) मिलता है। सरल करने पर \(5x^2+8x-51=0\) सही है।

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Mathematics Answer, Explanation and Revision Hints

समीकरण (2(x-1)2+3(x+2)2=65) का मानक रूप कौन-सा है? / What is the standard form of (2(x-1)2+3(x+2)2=65)?

Correct Answer: A. \(5x^2+8x-51=0\). Explanation: विस्तार करने पर \(2x^2-4x+2+3x^2+12x+12=65\) मिलता है। सरल करने पर \(5x^2+8x-51=0\) सही है। / Expanding gives \(2x^2-4x+2+3x^2+12x+12=65\). Simplifying gives \(5x^2+8x-51=0\).

Which concept should I revise for this Mathematics MCQ?

Expanding gives \(2x^2-4x+2+3x^2+12x+12=65\). Simplifying gives \(5x^2+8x-51=0\).

What exam hint can help solve this Mathematics question?

विस्तार करने पर \(2x^2-4x+2+3x^2+12x+12=65\) मिलता है। सरल करने पर \(5x^2+8x-51=0\) सही है।

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