DeterminantHard

Question

If I = , J = and B = , then B =

Options

A.Icosθ + Jsinθ

B.Icosθ - Jsinθ

C.Isinθ + Jcosθ

D.- Icosθ + Jsinθ

Solution

I = , J =
I cosθ + J sinθ = =

Create a free account to view solution

View Solution Free

Topic: Determinant·Practice all Determinant questions

More Determinant Questions

Let A and B be two 2 × 2 matrix with real entries. If AB = O and tr(A) = tr(B) = 0 then...The value of k for which the set of equations 3x + ky − 2z = 0, x + ky + 3z = 0 and 2x + 3y − 4z = 0 has a n...The minors of the elements of the first row in the determinant are-...The determinant is equal to zero, if -...equals -...