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0 votes
11.7k views
in Mathematics by (44.7k points)

The direction ratios of normal to the plane through the points (0, –1, 0) and (0, 0, 1) and making an angle π/4 with the plane y – z + 5 = 0 are :

1 Answer

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by (69.7k points)
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Best answer

The correct option is (2).

Explanation:

Let the d.r. of the normal to the plane be a, b, c then equation of plane, ax + b(y + 1) + cz = 0 it passes through (0, 0, 1) 

we get b + c = 0 .........(i)

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