a = 2 , b = 4 এবং c = 8 হলে-

i. a : b = b : c

ii. a+bb+c2 = a2+2ab+b2b2+2bc+c2

iii. a-bb-c2 = a2-2ab+b2b2-2bc+c2

নিচের কোনটি সঠিক?

Created: 4 months ago | Updated: 2 months ago

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