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Choose the complete factorisation of (a^4-b^4).(a^4-b^4) का पूर्ण गुणनखंड रूप चुनिए।
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ( (a-b)(a+b)(a^2+b^2) )( (a-b)(a+b)(a^2+b^2) )
In (a^4-b^4), first use difference of squares and then factor (a^2-b^2). Exam tip: (a^2+b^2) is usually not factored further here.(a^4-b^4) में पहले अंतर वर्ग और फिर (a^2-b^2) का गुणनखंडन करें। परीक्षा में (a^2+b^2) को सामान्यतः आगे नहीं तोड़ा जाता।
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