If the planes `ax+by+cz+d=0anda_(1)x+b_(1)y+c_(1)z+d_(1)=0` be mutually perpendicular , thenA. `(a)/(a_(1))=(b)/(b_(1))=(c)/(c_(1))`B. `(a)/(a_(1))=(b)/(b_(1))=(c)/(c_(1))=0`C. `aa_(1)+b b_(1)+c c_(1)=1`D. `aa_(1)+b b_(1)+c c_(1)=0`

If the planes `ax+by+cz+d=0anda_(1)x+b_(1)y+c_(1)z+d_(1)=0` be mutuall

1.	If the planes `ax+by+cz+d=0anda_(1)x+b_(1)y+c_(1)z+d_(1)=0` be mutually perpendicular , thenA. `(a)/(a_(1))=(b)/(b_(1))=(c)/(c_(1))`B. `(a)/(a_(1))=(b)/(b_(1))=(c)/(c_(1))=0`C. `aa_(1)+b b_(1)+c c_(1)=1`D. `aa_(1)+b b_(1)+c c_(1)=0`
Answer» Correct Answer - D

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If the planes `ax+by+cz+d=0anda_(1)x+b_(1)y+c_(1)z+d_(1)=0` be mutually perpendicular , thenA. `(a)/(a_(1))=(b)/(b_(1))=(c)/(c_(1))`B. `(a)/(a_(1))=(b)/(b_(1))=(c)/(c_(1))=0`C. `aa_(1)+b b_(1)+c c_(1)=1`D. `aa_(1)+b b_(1)+c c_(1)=0`

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