Combined Maths එකේ Integration by parts method එක use කරලා integral calculate කරනවා, නමුත් u සහ dv select කරන විට අපිට ලැබෙන නව integral එක original එකට වඩා complex වෙන්න පුළුවන්ද? මේක solve කරන්න eas
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Dinuka Rathnayake
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Alkene වල Addition reaction එක stereochemistry නිසා මොනවත් වෙනස්ද? Markovnikov rule එක apply වෙන්නේ කෙහෙමද?