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