Integration Problems of square root values in denominator

1) Integral (x^2+4x+7)dx/root (x^2+x+1)
2) Integral (5sinx+6)dx/sinx+2cosx+3
3)Integral (4x+7)dx/(x+2)root(x^2+4x+8)
4)Integral (2x^2+7x+11)dx/(x+2)root(x^2+4x+8)
#maths #calculus
#integrationbysubstitution
#integration

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