Question
Evaluate the integral
Evaluate using formulas and rules
5x51−x12+C,C∈R
Evaluate
∫x4×x34x3×3x2−x×1dx
Multiply
More Steps

Multiply the terms
4x3×3x2
Multiply the terms
12x3×x2
Multiply the terms with the same base by adding their exponents
12x3+2
Add the numbers
12x5
∫x4×x312x5−x×1dx
Any expression multiplied by 1 remains the same
∫x4×x312x5−xdx
Multiply the terms
More Steps

Evaluate
x4×x3
Use the product rule an×am=an+m to simplify the expression
x4+3
Add the numbers
x7
∫x712x5−xdx
Simplify the expression
∫x612x4−1dx
Rewrite the fraction
More Steps

Evaluate
x612x4−1
For each factor in the denominator,write a new fraction
x6?+x5?+x4?+x3?+x2?+x?
Write the terms in the numerator
x6A+x5B+x4C+x3D+x2E+xF
Set the sum of fractions equal to the original fraction
x612x4−1=x6A+x5B+x4C+x3D+x2E+xF
Multiply both sides
x612x4−1×x6=x6A×x6+x5B×x6+x4C×x6+x3D×x6+x2E×x6+xF×x6
Simplify the expression
12x4−1=1×A+xB+x2C+x3D+x4E+x5F
Any expression multiplied by 1 remains the same
12x4−1=A+xB+x2C+x3D+x4E+x5F
Group the terms
12x4−1=Fx5+Ex4+Dx3+Cx2+Bx+A
Equate the coefficients
⎩⎨⎧0=F12=E0=D0=C0=B−1=A
Swap the sides
⎩⎨⎧F=0E=12D=0C=0B=0A=−1
Find the intersection
⎩⎨⎧A=−1B=0C=0D=0E=12F=0
Substitute back
−x61+x212
∫(−x61+x212)dx
Use the property of integral ∫f(x)±g(x)dx=∫f(x)dx±∫g(x)dx
∫−x61dx+∫x212dx
Evaluate the integral
More Steps

Evaluate
∫−x61dx
Use the property of integral ∫kf(x)dx=k∫f(x)dx
−∫x61dx
Use the property of integral ∫xndx=n+1xn+1
−−6+1x−6+1
Add the numbers
−−6+1x−5
Add the numbers
−−5x−5
Divide the terms
More Steps

Evaluate
−5x−5
Use b−a=−ba=−ba to rewrite the fraction
−5x−5
Express with a positive exponent using a−n=an1
−5x51
Simplify
−5x51
−(−5x51)
Calculate
5x51
5x51+∫x212dx
Evaluate the integral
More Steps

Evaluate
∫x212dx
Rewrite the expression
∫12×x21dx
Use the property of integral ∫kf(x)dx=k∫f(x)dx
12×∫x21dx
Use the property of integral ∫xndx=n+1xn+1
12×−2+1x−2+1
Add the numbers
12×−2+1x−1
Add the numbers
12×−1x−1
Divide the terms
More Steps

Evaluate
−1x−1
Divide the terms
−x−1
Express with a positive exponent using a−n=an1
−x1
12(−x1)
Multiplying or dividing an odd number of negative terms equals a negative
−12×x1
Multiply the terms
−x12
5x51−x12
Solution
5x51−x12+C,C∈R
Show Solution
