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Prove that the lines x=py+q ,z=ry+s …

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Prove that the lines x=py+q ,z=ry+s and x=p'y+q ,z=r'y+s are perpendicular if pp'+rr'+1=0

    • Posted by Divy Gupta 7 years, 11 months ago

    CBSE > Class 12 > Mathematics
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