Express the integrand as a sum of partial fractions and evaluate the integral.

A. -4 ln + tan^-1 + C
B. -4 ln + 2ln + 2ln + C
C. - + 2ln + 2ln + C
D. 4 ln - 2ln - 2ln + C

Answer: B

Mathematics

Use the method of Gauss to find the sum.1 + 2 + 3 + . . . + 650

A. 422,500 B. 211,250 C. 105,625 D. 211,575

View

Mathematics

Solve the problem.Determine whether (5, -4, 5) is a solution of the system 2x - 3y + 3z = 24 4x + 4y - 3z = -8 3x - 3y + 2z = 23.

A. No B. Yes

View

Mathematics

Solve the problem.A machine can fill 4390 boxes of cereal in 0.5 hour. How many boxes of cereal can it fill per hour?

A. 7317 boxes B. 2195 boxes C. 4391 boxes D. 8780 boxes

View

Mathematics

Find the surface area of the figure. Use 3.14 for ?. Round your answer to hundredths.

A. 769.3 sq. ft B. 439.6 sq. ft C. 516.53 sq. ft D. 219.8 sq. ft

View

Mathematics