[গণিত] এর সঠিক উৎপাদকে বিশ্লেষণ কোনটি?
ক. [গণিত]
খ. [গণিত]
গ. [গণিত]
ঘ. [গণিত]
উত্তর: [গণিত]
ব্যাখ্যা: $a 3+b 3+c 3-3 a b c [গণিত] & =(a+b+c) [গণিত] (a 2+b 2+c 2-a b-b c-c a [গণিত] ) & [গণিত] a 2+b 2+c 2-a b-b c-c a & =a 2+ [গণিত] 3 b 2+ [গণিত] 3 c 2+ [গণিত] ( [গণিত] + [গণিত] 2 [গণিত] ) a b+ [গণিত] ( [গণিত] + [গণিত] 2 [গণিত] ) b c+ [গণিত] ( [গণিত] + [গণিত] 2 [গণিত] ) c a & =a 2+ [গণিত] 3 b 2+ [গণিত] 3 c 2+ [গণিত] a b+ [গণিত] 2 a b+ [গণিত] b c+ [গণিত] 2 b c+ [গণিত] c a+ [গণিত] 2 c a & =a 2+a b [গণিত] + [গণিত] 2 c a+ [গণিত] 2 a b+ [গণিত] 3 b 2+b c [গণিত] 4+c a [গণিত] +b c [গণিত] 2+c 2 [গণিত] 3 & =a [গণিত] (a+b [গণিত] +c [গণিত] 2 [গণিত] )+b [গণিত] 2 [গণিত] (a+b [গণিত] +c [গণিত] 2 [গণিত] )+c [গণিত] (a+b [গণিত] +c [গণিত] 2 [গণিত] ) & = [গণিত] (a+b [গণিত] +c [গণিত] 2 [গণিত] ) [গণিত] (a+b [গণিত] 2+c [গণিত] ) [গণিত] $
HSC Higher Math 2nd Paper Chapter 3: জটিল সংখ্যা MCQ — Prosthuti প্রশ্নব্যাংক
HSC · Higher Math 2nd Paper · Chapter 3: জটিল সংখ্যা · MCQ