Solve ∫ (-1/3ab^{2})^{2}-[2a(-3ab^{2})]^{2}-[(2ab^{2})^2*(-9a^2)+a^2b^4]

$$\int ( - \frac { 1 } { 3 } a b ^ { 2 } ) ^ { 2 } - [ 2 a ( - 3 a b ^ { 2 } ) ] ^ { 2 } - [ ( 2 a b ^ { 2 } ) ^ { 2 } \cdot ( - 9 a ^ { 2 } ) + a ^ { 2 } b ^ { 4 } ]$$

Evaluate

$$-\frac{8xa^{2}b^{4}}{9}+С$$

Solution Steps

Multiply a and a to get a^{2}.

$$\int \left(-\frac{1}{3}ab^{2}\right)^{2}-\left(2a^{2}\left(-3\right)b^{2}\right)^{2}-\left(\left(2ab^{2}\right)^{2}\left(-9\right)a^{2}+a^{2}b^{4}\right)\mathrm{d}x$$

Expand \left(-\frac{1}{3}ab^{2}\right)^{2}.

$$\int \left(-\frac{1}{3}\right)^{2}a^{2}\left(b^{2}\right)^{2}-\left(2a^{2}\left(-3\right)b^{2}\right)^{2}-\left(\left(2ab^{2}\right)^{2}\left(-9\right)a^{2}+a^{2}b^{4}\right)\mathrm{d}x$$

To raise a power to another power, multiply the exponents. Multiply 2 and 2 to get 4.

$$\int \left(-\frac{1}{3}\right)^{2}a^{2}b^{4}-\left(2a^{2}\left(-3\right)b^{2}\right)^{2}-\left(\left(2ab^{2}\right)^{2}\left(-9\right)a^{2}+a^{2}b^{4}\right)\mathrm{d}x$$

Calculate -\frac{1}{3} to the power of 2 and get \frac{1}{9}.

$$\int \frac{1}{9}a^{2}b^{4}-\left(2a^{2}\left(-3\right)b^{2}\right)^{2}-\left(\left(2ab^{2}\right)^{2}\left(-9\right)a^{2}+a^{2}b^{4}\right)\mathrm{d}x$$

Multiply 2 and -3 to get -6.

$$\int \frac{1}{9}a^{2}b^{4}-\left(-6a^{2}b^{2}\right)^{2}-\left(\left(2ab^{2}\right)^{2}\left(-9\right)a^{2}+a^{2}b^{4}\right)\mathrm{d}x$$

Expand \left(-6a^{2}b^{2}\right)^{2}.

$$\int \frac{1}{9}a^{2}b^{4}-\left(-6\right)^{2}\left(a^{2}\right)^{2}\left(b^{2}\right)^{2}-\left(\left(2ab^{2}\right)^{2}\left(-9\right)a^{2}+a^{2}b^{4}\right)\mathrm{d}x$$

To raise a power to another power, multiply the exponents. Multiply 2 and 2 to get 4.

$$\int \frac{1}{9}a^{2}b^{4}-\left(-6\right)^{2}a^{4}\left(b^{2}\right)^{2}-\left(\left(2ab^{2}\right)^{2}\left(-9\right)a^{2}+a^{2}b^{4}\right)\mathrm{d}x$$

To raise a power to another power, multiply the exponents. Multiply 2 and 2 to get 4.

$$\int \frac{1}{9}a^{2}b^{4}-\left(-6\right)^{2}a^{4}b^{4}-\left(\left(2ab^{2}\right)^{2}\left(-9\right)a^{2}+a^{2}b^{4}\right)\mathrm{d}x$$

Calculate -6 to the power of 2 and get 36.

$$\int \frac{1}{9}a^{2}b^{4}-36a^{4}b^{4}-\left(\left(2ab^{2}\right)^{2}\left(-9\right)a^{2}+a^{2}b^{4}\right)\mathrm{d}x$$

Expand \left(2ab^{2}\right)^{2}.

$$\int \frac{1}{9}a^{2}b^{4}-36a^{4}b^{4}-\left(2^{2}a^{2}\left(b^{2}\right)^{2}\left(-9\right)a^{2}+a^{2}b^{4}\right)\mathrm{d}x$$

To raise a power to another power, multiply the exponents. Multiply 2 and 2 to get 4.

$$\int \frac{1}{9}a^{2}b^{4}-36a^{4}b^{4}-\left(2^{2}a^{2}b^{4}\left(-9\right)a^{2}+a^{2}b^{4}\right)\mathrm{d}x$$

Calculate 2 to the power of 2 and get 4.

$$\int \frac{1}{9}a^{2}b^{4}-36a^{4}b^{4}-\left(4a^{2}b^{4}\left(-9\right)a^{2}+a^{2}b^{4}\right)\mathrm{d}x$$

Multiply 4 and -9 to get -36.

$$\int \frac{1}{9}a^{2}b^{4}-36a^{4}b^{4}-\left(-36a^{2}b^{4}a^{2}+a^{2}b^{4}\right)\mathrm{d}x$$

To multiply powers of the same base, add their exponents. Add 2 and 2 to get 4.

$$\int \frac{1}{9}a^{2}b^{4}-36a^{4}b^{4}-\left(-36a^{4}b^{4}+a^{2}b^{4}\right)\mathrm{d}x$$

To find the opposite of -36a^{4}b^{4}+a^{2}b^{4}, find the opposite of each term.

$$\int \frac{1}{9}a^{2}b^{4}-36a^{4}b^{4}+36a^{4}b^{4}-a^{2}b^{4}\mathrm{d}x$$

Combine -36a^{4}b^{4} and 36a^{4}b^{4} to get 0.

$$\int \frac{1}{9}a^{2}b^{4}-a^{2}b^{4}\mathrm{d}x$$

Combine \frac{1}{9}a^{2}b^{4} and -a^{2}b^{4} to get -\frac{8}{9}a^{2}b^{4}.

$$\int -\frac{8}{9}a^{2}b^{4}\mathrm{d}x$$

Find the integral of -\frac{8a^{2}b^{4}}{9} using the table of common integrals rule \int a\mathrm{d}x=ax.

$$\left(-\frac{8a^{2}b^{4}}{9}\right)x$$

Simplify.

$$-\frac{8a^{2}b^{4}x}{9}$$

If F\left(x\right) is an antiderivative of f\left(x\right), then the set of all antiderivatives of f\left(x\right) is given by F\left(x\right)+C. Therefore, add the constant of integration C\in \mathrm{R} to the result.

$$-\frac{8a^{2}b^{4}x}{9}+С$$

Differentiate w.r.t. x

$$-\frac{8a^{2}b^{4}}{9}$$