1)∫ 1/5x^4dx
2)∫ dx/x^5
3)∫ 5dx/1+x^2
4)∫ (3x^2-2x+5^x)
5)∫ x^2+x+5/2x*dx
1)∫ 1/5x^4dx=1/25x^5+c
2)∫ dx/x^5=-1/(4x^4)+c
3)∫ 5dx/1+x^2=5arctgx+c
4)∫ (3x^2-2x+5^x)=x^3-x^2+5^x/ln5+c
5)∫ x^2+x+5/2x*dx=x^3/3+x^2/2+5/2lnIxI+c
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Answers & Comments
1)∫ 1/5x^4dx=1/25x^5+c
2)∫ dx/x^5=-1/(4x^4)+c
3)∫ 5dx/1+x^2=5arctgx+c
4)∫ (3x^2-2x+5^x)=x^3-x^2+5^x/ln5+c
5)∫ x^2+x+5/2x*dx=x^3/3+x^2/2+5/2lnIxI+c