Ask a New Question

Questions and answers by

rho

Questions (5)

Let A and B be 3 * 3 matrices, with det(A) = 2, det(B) = 3.Then det(5 A B^{-1}) = a) none of these b) 30 c) 250/3 d) 10/3 e) 2/3
1. 2 answers
2. 861 views
Which one of the following statements is true?a) For all matrices A and B, if AB = I then BA = I b) If A is a 3 \times 3 matrix,
1. 1 answer
2. 1,549 views
In a given area of space the electric field and the magnetic field are described by the expressionsE ⃑=Ek ̂ and B ⃑=Bj ̂
1. 1 answer
2. 378 views
Two charges, +Q and −Q, have been placed on the x-axis at x=−a and x=a respectively.a) Where will the electric field be
1. 2 answers
2. 743 views
Two charges, both with charge +Q, have been placed on the x-axis at x=−a and x=a. Where will the electric field be zero?
1. 1 answer
2. 844 views