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How many non zero value of x and y for which the unit vectors 9^(x) i + α j + β k and 45^(y) i + γ j + δ k makes equal angle with x axis |
| Answer» How many non zero value of x and y for which the unit vectors 9^(x) i + α j + β k and 45^(y) i + γ j + δ k makes equal angle with x axis | |