2x + 5y = 21 এবং x + 2y = 9 সমীকরণদ্বয়ে- 

i. x=y 

ii. x≠y

iii. (x, y) = (3, 3) 

নিচের কোনটি সঠিক?

Created: 2 years ago | Updated: 9 months ago
Updated: 9 months ago

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