Question

Choose the correct alternative:
If A = `[(1, -1),(2, -1)]`, B = `[("a", 1),("b", -1)]` and (A + B)² = A² + B², then the values of a and b are

पर्याय

• a = 4, b = 1

• a = 1, b = 4

• a = 0, b = 4

• a = 2, b = 4

Answer 1

a = 1, b = 4