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SAU_18-19
HSC - উচ্চতর গণিত ২য় পত্র
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অধ্যায়-০৩ঃ জটিল সংখ্যা
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\left(1-\omega+\omega^{2}\right)\left(1-\omega^{2}+\omega^{4}\right)\left(1-\omega^{4}+\omega^{8}\right)\left(1-\omega^{8}+\omega^{16}\right)=?
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