Question: Evaluate the integrals : for part a and b. Solve b using u-substitution a) 1 x + 1 So x+2x+5 dx dx xInx b) f

Evaluate the integrals : for part a and b.

a) ( int_{0}^{1} frac{x+1}{x^{2}+2 x+5} d x ) b) ( int frac{d x}{x sqrt{ln x}} )

Solve b using u-substitution
 

a) 1 x + 1 So x+2x+5 dx dx xInx b) f

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