03/24/20

Find the linearization at x = a ; y =(4+x) ^-1/2, a = 12
Follows • 0
Expert Answers •1

03/23/20

Find the area of the region bounded by the curve y=x^3-2x^2-5x+6
Follows • 1
Expert Answers •2

03/22/20

Determine which of the following are true and which are false
There exists a 3 x 3 matrix whose range is the same as its null space. The rank of a matrix is the number of non-zero rows that it has. For all square matrices A, it's true that det(-A) =... more
Follows • 1
Expert Answers •1

03/22/20

Compute the rank and nullity of each matrix
1. [ -2 4 ] [ 1 5 ] 2. [ 1 2 -1 ] [ -2 -4 2 ]
Follows • 1
Expert Answers •1

03/19/20

Find all unit vectors in R^2 which are orthogonal to (−3, 1).
Follows • 1
Expert Answers •2

03/18/20

Calculus Question
Find the value of this expression: sin 45° sin 15°. The second step =a. 1/2 [ sin 60° - sin 30°]b. 1/2 [ cos 60° + cos 30°]c. 1/2 [ sin 60° + sin 30°]d. 1/2 [ -cos 60° + cos 30°]
Follows • 1
Expert Answers •1

03/18/20

Find equations of the tangent lines to the curve 𝑦 = 𝑥 − 9 that are parallel to the line x – y = 9
Follows • 1
Expert Answers •1

03/18/20

Calculus Question
Simplify: sin 4x cos 3x + cos 4x sin 3xa. cos x b. cos 7x c. sin 7x d. sin x
Follows • 1
Expert Answers •1

03/15/20

If A+B matrix and A and B are invertible then prove :

(A-1 + B-1 )-1 = A(A+B)-1 B =B(A+B)-1 A
Follows • 1
Expert Answers •3

03/15/20

Prove: if A matrix is invertible then -A matrix is invertible too ?
Follows • 1
Expert Answers •1

03/11/20

Calculus with derivative word problems
A light shines toward the ground from the top of a building wall that is 40 ft high. A kid in a tree house that is 25ft to the right of the building drops an apple from the same height (40 ft). How... more
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.