Question:সরল কর: ২.ছ. `(7529 xx 7529 - 7519 xx 7519)/(7529 - 7519)`
Answer `(7529 xx 7529 - 7519 xx 7519)/(7529 + 7519)` `= ((7529)^2 - (7519)^2)/(7529 + 7519)` `= ((7529 + 7519) (7529 - 7519))/((7529 + 7519))` [সূত্র ব্যবহার করে] = 7529 - 7519 = 10 (Ans)
+ Report
shorol karo: ২.cho. `(7529 xx 7529 - 7519 xx 7519)/(7529 - 7519)`