Question

If A = `[(1,-1,0),(2,3,4),(0,1,2)]` and B = `[(2,2,-4),(-4,2,-4),(2,-1,5)]`, then:

विकल्प

• A⁻¹ = B

• A⁻¹ = 6B

• B⁻¹ = B

• B⁻¹ = `1/6 "A"`

Answer 1

B⁻¹ = `1/6 "A"`

Explanation:

AB = 6I ⇒ B⁻¹ = `1/6 "A"`