If `A=[a b c x y z p q r],B[q-b y-p a-x r-c z]` and if `A` is invertible, then which of the following is not true? `|A|=|B|` `|A|=-|B|` `|a d j A|=|a d jB|` `A` is invertible if and only if `B` is invertible

If A=[(a,b,c),(x,y,x),(p,q,r)], B=[(q,-b,y),(-p,a,-x),(r,-c,z)] and If A is invertible, then which of the following is not true ?

If A, B and C are invertible matrices of some order, then which one of the following is not true?

Let A = { x,y,z } and b= {a,b,c,d}. which one of the following is not relation from A to B ?

The two lines x=ay+b, z=cy+d and x=a'y+b', z=c'y+d will be perpendicular ,if and only if

If a ,b ,c are in G.P. with common ratio r_1a n dalpha,beta,gamma are in G.P. with common ratio r_2 and equations a x+alphay+z=0,b x+betay+z=0,c x+gammay+z=0 have only zero solution, then which of the following is not true? a+b+c b. a b c c. 1 d. none of these

If a ,b ,c are in G.P. with common ratio r_1a n dalpha,beta,gamma are in G.P. with common ratio r_2 and equations a x+alphay+z=0,b x+betay+z=0,c x+gammay+z=0 have only zero solution, then which of the following is not true? a. a+b+c b. a b c c. 1 d. none of these

If x=c y+b z ,y=a z+c x ,z=bx+a y ,w h e r ex ,y ,z are not all zeros, then find the value of a^2+b^2+c^2+2a b c dot

If a!=p ,b!=q ,c!=ra n d|p b c a q c a b r|=0, then find the value of p/(p-a)+q/(q-b)+r/(r-c)dot

If C is skew-symmetric matrix of order na n dXi snxx1 column matrix, then X^T C X is a. singular b. non-singular c. invertible d. non invertible

If lines x=ay+b, z= cy +d " and " x=a' z+b y=c' z+ d' are perpendicular then