1.

The direction cosines of the normal to the plance `4x + 8y + z= 5` areA. `(4)/(5),(8)/(5),(1)/(5)`B. `(4)/(9),(8)/(9),(1)/(9)`C. `(4)/(45),(8)/(45),(1)/(45)`D. `(4)/(3),(8)/(3),(1)/(3)`

Answer» Correct Answer - B


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