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যদি z=x+iy,z1=x1+iy1, z2=x2+iy2 তিনটি জটিল সংখ্যা হয়, তবে – 

i. Rezzii. argz1z2argz1+argz2iii.z1-z2z1-z2

নিচের কোনটি সঠিক?

Created: 7 months ago | Updated: 7 months ago
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