If `l,m,n` are `d .c's` of vector `bar(OP)` then maximum value of `lmn` is

If l,m,n are the d.c's of a vector if l=(1)/(2) then maximum value of lmn=

if e=vec li+mvec j+nvec k is a unit vector and l=(1)/(3) then the maximum value of lmn is

If l, m, n are direction cosines of a line, then the maximum value of lm+mn+nl is

If l,m,n are the direction cosines of a half line op then the maximum value of l.m.n is

find out the maximumm value of n+l+ m for 5d electron .

Let bar(a) be a unit vector bar(b)=2bar(i)+bar(j)-bar(k) and bar(c)=bar(i)+3bar(k) then maximum value of [bar(a)bar(b)bar(c)] is

Let bar(a) be a unit vector bar(b)=2bar(i)+bar(j)-bar(k) and bar(c)=bar(i)+3bar(k) then maximum value of [[bar(a),bar(b),bar(c)]] is

a, b, c, d and e are integers .If a, b, c, d and e are geometric progression and lcm(m, n) is the least common multiple of m and n, then the maximum value of (1)/(1cm (a,b)) + (1)/(1cm (b,c)) + (1)/(1cm(c,d)) + (1)/(1cm (d,e)) is

If A = {(a, b, c, l, m, n}, then the maximum number of elements in any relation on A, is