MCQ
Resorcinol on distillation with zinc dust gives ____________.
- Abenzene-1, 4-diol
- ✓benzene
- Cphenol
- Dcyclohexane
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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