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প্রদত্ত রাশি, {(a+b)³(a-b)²-(a+b)²(a-b)³}/(a+b)³(a-b)³ ={(a+b)²(a-b)²{a+b-a+b)}/(a+b)³(a-b)³ =2b/(a+b)(a-b)
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প্রদত্ত রাশি, {(a+b)³(a-b)²-(a+b)²(a-b)³}/(a+b)³(a-b)³ ={(a+b)²(a-b)²{a+b-a+b)}/(a+b)³(a-b)³ =2b/(a+b)(a-b)