[" 29.For all "d,0

For all d,0ltdlt1 , which one of the following points is the reflection of the point (d,2d,3d) in the plane pasing through the points (1,0,0),(0,1,0 and (0,0,1) ?

For all d,0ltdlt1 , which one of the following points is the reflection of the point (d,2d,3d) in the plane pasing through the points (1,0,0),(0,1,0 and (0,0,1) ?

Let Z be the set of all integers and Z_(0) be the set of all non-zero integers. Let a relation R on ZZ xx ZZ_(0) be defined as follows : (a,b) R (c,d) rrArr ad=bc," " for " " all (a,d),(c,d) in ZZxxZZ_(0)

If D=diag(d_1,d_2,d_3,…,d_n)" where "d ne 0" for all " I = 1,2,…,n," then " D^(-1) is equal to

If D=diag(d_1,d_2,d_3,…,d_n)" where "d ne 0" for all " I = 1,2,…,n," then " D^(-1) is equal to

If D=diag(d_1,d_2,d_3,…,d_n)" where "d ne 0" for all " I = 1,2,…,n," then " D^(-1) is equal to

The quadratic equatin (2x-a)(2x-c)+lamda(x-2b)(x-2d)=0 , (where 0lt4alt4bltclt4d) has (A) a root between 2 b and 2d for all lamda (B) as root between b nd d for all -velamda (C) a root between b and d for all +velamda (D) none of these

The quadratic equatin (2x-a)(2x-c)+lamda(x-2b)(x-2d)=0 , (where 0lt4alt4bltclt4d) has (A) a root between 2 b and 2d for all lamda (B) as root between b nd d for all -velamda (C) a root between b and d for all +velamda (D) none of these

A differentiable function f(x) has a relative minimum at x=0. Then the function f=f(x)+a x+b has a relative minimum at x=0 for all a and all b (b) all b if a=0 all b >0 (d) all a >0

A differentiable function f(x) has a relative minimum at x=0. Then the function f=f(x)+ax+b has a relative minimum at x=0 for all a and all b(b) all b if a=0 all b>0(d) all a>0