1. ∫ (𝑥²+5)³ 2𝑥𝑑𝑥
2. ∫ 12𝑥² √4𝑥³ + 7𝑑𝑥
3. ∫ √2𝑥³+7 𝑥²𝑑𝑥
4. ∫ 5𝑥√1 + 4𝑥²
5. ∫(3𝑥² − 4𝑥 + 2)² (3𝑥 − 2)𝑑𝑥
1.
"u=x^2+5, du=2xdx"
"\\int(x^2+5)^32xdx=\\int u^3du=\\dfrac{u^4}{4}+C""=\\dfrac{(x^2+5)^4}{4}+C"2.
"u=4x^3+7, du=12x^2dx"
3.
"u=2x^3+7, du=6x^2dx"
4.
"u=1+4x^2, du=8xdx"
5.
"u=3x^2-4x+2, du=(6x-4)dx"
"\\int(3x^2-4x+2)^2(3x-2)xdx=\\dfrac{1}{2}\\int u^2du""=\\dfrac{u^3}{6}+C=\\dfrac{(3x^2-4x+2)^3}{6}+C"
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