agan2 ane mo nanya gimana ngebuktiin klw ∫3dx∕5(x^2+1)= 3 Tan^-1 (x) + c ane mnta tlong dech sama agan2 smuwa :matabelo
gan ane mo nanya gimana ngebuktiin klw ∫3dx∕5(x^2+1)= 3 Tan^-1 (x) + c ane mnta tlong dech sama agan :matabelo