\(x^3+8\) को गुणनखंडित करने पर क्या मिलेगा?
What do we get by factorising \(x^3+8\)?
Explanation opens after your attempt
A. ((x+2)\(x^2-2x+4\))
Concept
This is \(x^3+2^3\), so use the sum of cubes formula. Exam tip: keep the middle term negative in the second bracket.
Why this answer is correct
The correct answer is A. ((x+2)\(x^2-2x+4\)). This is \(x^3+2^3\), so use the sum of cubes formula. Exam tip: keep the middle term negative in the second bracket.
Exam Tip
यह \(x^3+2^3\) है इसलिए घनों के योग का सूत्र लगेगा। परीक्षा में दूसरे कोष्ठक में बीच का पद ऋण रखें।
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