एक मॉडल में \(x^2+8x+15\) और \(x^2+8x+16\) को साथ दिखाया गया। दूसरा पहले से कितना बड़ा है?
A model shows \(x^2+8x+15\) and \(x^2+8x+16\) together. How much larger is the second than the first?
Explanation opens after your attempt
D. (1)corner difference
Concept
Both have \(x^2+8x\) common, and the only difference is (16-15=1). In exams cancel common parts while comparing.
Why this answer is correct
The correct answer is D. (1) / corner difference. Both have \(x^2+8x\) common, and the only difference is (16-15=1). In exams cancel common parts while comparing.
Exam Tip
दोनों में \(x^2+8x\) समान है और केवल (16-15=1) का अंतर है। परीक्षा में समान भाग काटकर तुलना करें।
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