Koshe Dekhi 12.1 Class 7

Koshe Dekhi 12.1 Class 7 Koshe Dekhi 12.1 Class 7 1. (a + b) কে (a + b) দিয়ে গুণ করলে গুণফল নীচের কোনটি হবে দেখি। (i) a2 + b2 (ii) (a + b)2 (iii) 2 (a + b) (iv) 4ab সমাধানঃ (a + b) × (a + b) = (a + b)2 উত্তরঃ (ii) … Read more

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