请帮我算两个定积分[1,2]∫(2^X+X^2)DX[-1,0.5]∫(1/(3-4X))DX
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请帮我算两个定积分
[1,2]∫(2^X+X^2)DX
[-1,0.5]∫(1/(3-4X))DX
[1,2]∫(2^X+X^2)DX
[-1,0.5]∫(1/(3-4X))DX
![请帮我算两个定积分[1,2]∫(2^X+X^2)DX[-1,0.5]∫(1/(3-4X))DX](/uploads/image/z/1277880-24-0.jpg?t=%E8%AF%B7%E5%B8%AE%E6%88%91%E7%AE%97%E4%B8%A4%E4%B8%AA%E5%AE%9A%E7%A7%AF%E5%88%86%5B1%2C2%5D%E2%88%AB%EF%BC%882%5EX%2BX%5E2%29DX%5B-1%2C0.5%5D%E2%88%AB%281%2F%283-4X%29%29DX)
1,原式=2^x*ln2|[1,2]+x^3/3|[1,2]
=3ln2+7/3
2,原式=-1/4*ln(3-4x)|[-1,0.5]=(-ln7)/4
=3ln2+7/3
2,原式=-1/4*ln(3-4x)|[-1,0.5]=(-ln7)/4