1.

समतल `5x- 2y + 3z=9` के अभिलम्ब दिक्-कोज्यायें है|A. ` (-5)/( sqrt( 38)),(2)/(sqrt( 38 )),( 3)/(sqrt( 38))`B. ` (5)/( sqrt( 38)),(-2)/(sqrt( 38 )),( -3)/(sqrt( 38))`C. ` (5)/( sqrt( 38)),(-2)/(sqrt( 38 )),( 3)/(sqrt( 38))`D. ` (5)/( sqrt( 38)),(2)/(sqrt( 38 )),( -3)/(sqrt( 38))`

Answer» Correct Answer - C


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