MCQ
If f(x) is continuous over [- π, π], where f(x) is defined as
f(x) = `{(- 2 sin x "," - pi ≤ x ≤ (-pi)/2),(alpha sin x + beta"," - pi/2 < x < pi/2),(cos x "," pi/2 ≤ x ≤ pi):}` then α and β equals
- Aα = 1, β = 1
- Bα = 1, β = - 1
- ✓α = - 1, β = 1
- Dα = β = 0