किस विकल्प में \((x-4)^2\) का दृश्य क्षेत्रफल सही है?
Which option correctly gives the visual area of \((x-4)^2\)?
Explanation opens after your attempt
A. \(x^2-8x+16\)
Concept
\((x-4)^2=x^2-2 \times x \times 4+16=x^2-8x+16\). Exam tip: take care of the negative middle term.
Why this answer is correct
The correct answer is A. \(x^2-8x+16\). \((x-4)^2=x^2-2 \times x \times 4+16=x^2-8x+16\). Exam tip: take care of the negative middle term.
Exam Tip
\((x-4)^2=x^2-2 \times x \times 4+16=x^2-8x+16\) है। परीक्षा में घटाव वाले मध्य पद का ध्यान रखें।
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