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Find the limits in Exercises 1-4.
1.
sin(x2) 3x3 +3
1)xlim→0 x 2)xlim→−1 4x3−x +3
2.
5x2−3x ex +x2
1)xlim→∞ 7x2 +1 2)xlim→∞ ex +x
3.
1) lim x2lnx 2) lim x2(lnx)2 x→0+ x→0+
4.
xex 3x +1 1
1)lim e x−1 2)xlim→0+( x − sinx) x→0 Evaluate the integrals in Exercises 5-8.
5.
Z ∞ Z 2
1 2
1) 0 x +2dx 2) −∞x2 +1dx
6.
Z 1 Z 4
1 1 1) √ dx 2) √ dx
0 x 0 4−x
7. Z ∞
2x
dx
8.
Z 1
1 1 dx
−8x3