If the angle between the vectors i^+k^ and i^-j^+αk→ is π3, then �

1.	If the angle between the vectors i^+k^ and i^-j^+αk→ is π3, then α = _____________________.
Answer» If the angle between the vectors $\hat{i} + \hat{k} and \hat{i} - \hat{j} + α \vec{k} i s \frac{π}{3}, then α =_____________________.$

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