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. Factorize x4 - 4 please |
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Answer» Ꮍ ՏͲᎬᏢ ᎬХᏢᏞᎪᏆΝᎪͲᏆϴΝ:- · x^4 + 4Adding and SUBTRACTING 4x^2, we GET x^4+ 4x^2- 4x^2+ 4= (x^2 + 2)^2. - (2X)^2= (x^2 + 2x + 2)(x^2 - 2x + 2) As a^2 - b^2 = (a+b)(a-b) |
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