The value of `[a-b b-c c-a]` is equal to

If a,b and c are in GP, then the value of (a-b)/(b-c) is equal to _________.

Three vector a, b and c are such that abs(a)=1, abs(b)=2, abs(c)=4" and "a+b+c=0 . Then the value of 4a.b+3b.c+3c.a is equal to

If a, b and c are in GP, then the value of (a-b)/(b-c) is equal to……..

If abs(a)=2, abs(b)=3, abs(c)=4" and "a+b+c=0 then the value of b*c+c*a+a*b is equal to

If distinct positive number a , b, c, are in G.P. and (1)/(a-b), (1)/(c-a),(1)/(b-c) are in A.P. , then value of a + ab + c is equal to

Three numbers a, b and c are in geometric progression. If 4a, 5b and 4c are in arithmetic progression and a+b+c=70 , then the value of |c-a| is equal to

Three numbers a, b and c are in geometric progression. If 4a, 5b and 4c are in arithmetic progression and a+b+c=70 , then the value of |c-a| is equal to

For any two sets A and B, the values of [(A-B)uuB]^(C ) is equal to