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What is the factorised form of (a^3-b^3)?(a^3-b^3) का गुणनखंड रूप कौन सा है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ((a-b)(a^2+ab+b^2))((a-b)(a^2+ab+b^2))
The formula for difference of cubes is (a^3-b^3=(a-b)(a^2+ab+b^2)). Exam tip: keep all signs positive in the second bracket.घनों के अंतर का सूत्र (a^3-b^3=(a-b)(a^2+ab+b^2)) है। परीक्षा में दूसरे कोष्ठक के सभी चिह्न धन रखें।
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