Assertion :A homogeneous equation of second degree in x,y,z represent a pair of planes through origin. Reason: A homogeneous equation of second degree in x,y,z can be factorised into homogeneous linear factors.
A
Both Assertion & Reason are individually true & Reason is correct explanation of Assertion
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B
Both Assertion & Reason are individually true but Reason is not the ,correct (proper) explanation of Assertion
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C
Assertion is true but Reason is false
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D
Assertion is false but Reason is true
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Solution
The correct option is A Both Assertion & Reason are individually true & Reason is correct explanation of Assertion A homogeneous equation of second degree in x,y,z represents a plane passing through origin.
Consider two planes ax+by+cz=0,a1x+b1y+c1z=0
Their product is homogeneous.
∴ The homogeneous equation can be factorized into above two equations of planes.