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- 2.
FORMULA 1
1-.∫(2𝑥3
− 5𝑥2
−3𝑥 + 4)𝑑𝑥 =
= 2 ∫ 𝑥3
𝑑𝑥 − 5 ∫ 𝑥2
𝑑𝑥 − 3 ∫ 𝑥𝑑𝑥 + 4 ∫ 𝑑𝑥
=
𝑥4
2
−
5𝑥3
3
−
3𝑥2
2
+ 4𝑥 + 𝑐
2-.∫(𝑥4
)𝑑𝑥 =
=
𝑥5
5
+ 𝑐
3-.∫(3𝑥2
+ 4𝑥)𝑑𝑥 =
= 3 ∫ 𝑥2
𝑑𝑥 + 4 ∫ 𝑥𝑑𝑥
=
3𝑥3
3
+
4𝑥2
2
= 𝑥3
+ 2𝑥2
+ 𝑐
4-.∫(𝑥2
+ 𝑥)𝑑𝑥
= ∫ 𝑥2
𝑑𝑥 + ∫ 𝑥𝑑𝑥
=
𝑥3
3
+
𝑥2
2
+ 𝑐
5-.∫(7𝑥5
+ 9𝑥6
)𝑑𝑥
= 7 ∫ 𝑥5
𝑑𝑥 + 9 ∫ 𝑥6
𝑑𝑥
- 3.
- 4.
FORMULA 2
1-. ∫𝑥4
𝑑𝑥
= ∫
𝑥4+1
4+1
dx
=
𝑥5
5
+c
2-.∫ (𝑥
3
2 − 2𝑥
2
3 + 5𝑥√ 𝑥
− 3) 𝑑𝑥
= ∫ 𝑥
3
2 − ∫ 2𝑥
2
3 + ∫ 5 𝑥
1
2 − 3
2𝑥 √ 𝑥
2
−6 √ 𝑥23
5
=
10𝑥√ 𝑥
3
− 3𝑥 + 𝑐
3-.∫ 𝑥
2/3
𝑑𝑥
= ∫
𝑥
2
3
+1
2
3
+1
= ∫
𝑥
5
3
5
3
=
3𝑥 √ 𝑥23
5
+ 𝑐
- 5.
- 6.
FORMULA 3
1-.∫(𝑥
3
2 −2𝑥
2
3 + 5√ 𝑥 − 3)𝑑𝑥
= ∫ 𝑥
3
2 𝑑𝑥 − 2 ∫ 𝑥
2
3 𝑑𝑥 + 5 ∫ √ 𝑥 𝑑𝑥 − 3 ∫ 1 𝑑𝑥
=
2𝑥
5
2
5
−
6𝑥
5
3
5
+
10𝑥
3
2
3
− 3𝑥
=
2𝑥
5
2
5
−
6𝑥
5
3
5
+
10𝑥
3
2
3
− 3𝑥+ C
2-.∫ √ 𝑋(3𝑥 − 2) 𝑑𝑥
= ∫ (3𝑥
3
2 − 2 ∫ √ 𝑥) 𝑑𝑥
= 3 ∫ 𝑥
3
2 𝑑𝑥 − 2 ∫ √ 𝑥 𝑑𝑥
=
6𝑥
5
2
5
−
4𝑥
3
2
3
=
6𝑥
5
2
5
−
4𝑥
3
2
3
+ 𝐶
- 7.
3-.∫ 𝑦 (𝑎 − 𝑏𝑥2) 𝑑𝑥
= 𝑎𝑦 ∫ 1 𝑑𝑥 − 𝑏𝑦 ∫ 𝑥2
𝑑𝑥
= 𝑎𝑦𝑥 −
𝑏𝑦𝑥3
3
= 𝑎𝑦𝑥 −
𝑏𝑦𝑥3
3
+ 𝐶
4-.∫
4𝑥2
−2√ 𝑥
𝑥
𝑑𝑥
= ∫ (4𝑥 −
2
√ 𝑥
) 𝑑𝑥
= 4 ∫ 𝑥𝑑𝑥 − 2 ∫
1
√ 𝑥
𝑑𝑥
= 2𝑥2
− 4√ 𝑥
= 2𝑥2
− 4√ 𝑥 + 𝐶
5-.∫ 𝑥(2𝑥 + 1)1
𝑑𝑥
- 8.
= ∫( 𝑢− 1) 𝑢2
− 𝑑𝑢
= ∫( 𝑢3
− 𝑢2) 𝑑𝑢
= ∫ 𝑢3
𝑑𝑢 − ∫ 𝑢2
𝑑𝑢
=
(2𝑥 − 1)4
16
−
(2𝑥 + 1)3
12
=
(2𝑥−1)4
16
−
(2𝑥+1)3
12
+ C
- 9.
FORMULA 4
1-∫ √𝑥 𝑑𝑥 = ∫ 𝑥1/2
𝑑𝑥
𝑉 = 1/2 =
𝑋3/2
3/2
+ 𝐶
=
2
3
𝑋3/2
+ 𝐶
2-∫
𝑑𝑥
𝑥3
= ∫ 𝑥−3
𝑑𝑥
𝑉 = 3 =
𝑥−2
−2
+ 𝐶
= −
1
2𝑥2
+ 𝐶
∫ 𝑋6
𝑑𝑥 = ∫ 𝑥6
𝑑𝑥
3- 𝑣 = 6 =
𝑥6+1
6+1
+ 𝐶
=
𝑋7
7
+ 𝐶
- 10.
- 11.
FORMULA 5
1. ∫𝑥4
𝑑𝑥
=
𝑥4+1
4+1
=
𝑥5
5
+ C
2. ∫
𝑑𝑥
𝑥2
=∫ 𝑥−2
dx
=
𝑥−1
−1
=
1
𝑥
+ C
3. ∫ 𝑥2/3
dx
=
𝑥
2
3
+1
2
3
+1
=
𝑥5
3
5
3
=
𝑥 5−3
1
5
3
=
3𝑥 5/3
5
+C
- 12.
4. ∫
𝑑𝑥
√ 𝑋
=∫
𝑑𝑥
𝑥
1
2
= ∫ 𝑥−1/2
dx
=
𝑥1/2
1/2
=
𝑥1/2
1
1
2
=
2𝑥 1/2
1
=2√ 𝑥 + c
5. ∫
𝑑𝑥
3√ 𝑥
=
𝑑𝑥
𝑥
1
3
=∫ 𝑥−
1
3dx
=
𝑥
2
3
2
3
=
𝑥2/3
1
2
3
=
3𝑥43
2
+ c
- 13.