1.If a vector 2i^+3j^+8k^2\hat{i} + 3\hat{j} + 8\hat{k}2i^+3j^+8k^ is perpendicular to the vector 4j^−4i^+αk^4\hat{j} - 4\hat{i} + \alpha\hat{k}4j^−4i^+αk^ then the value of α\alphaα is:a.12\frac{1}{2}21b.−12-\frac{1}{2}−21c.111d.−1-1−1Login to continueOnly logged in users canattempt or see the solution.
