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Let L be the line of intersection of the planes {2}{x}{}+{}{3}

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Let L be the line of intersection of the planes $2 x + 3 y + z = 1$ and $x + 3 y + 2 z = 2$ . If L makes an angles $α$ with the positive x-axis, then cos $α$ equals

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James Discussed

Let L be the line of intersection of the planes

2 x + 3 y + z = 1

and

x + 3 y + 2 z = 2

. If L makes an angles

α

with the positive x-axis, then cos

α

equals

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Question Text	Let L be the line of intersection of the planes $2 x + 3 y + z = 1$ and $x + 3 y + 2 z = 2$ . If L makes an angles $α$ with the positive x-axis, then cos $α$ equals
Answer Type	Video solution: 1
Upvotes	152