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Let L be the line of intersection of t...

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

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JEE MAINS PREVIOUS YEAR ENGLISH-JEE MAINS-All Questions
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  2. The area enclosed between the curves y=kx^2" and " x=ky^2,(kgt0) is 1 ...

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  3. Let L be the line of intersection of the planes 2x""+""3y""+""z""=""...

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