vec(P), vec(Q), vec(R ), vec(S) are vectors of equal magnitude. If bar(P) + vec(Q) - vec(R )= O angle between vec(P) and vec(Q) " is " theta_(1). If bar(P) + bar(Q) - bar(S) = O angle between bar(P) and bar(S) " is " theta_(2). The ratio of bar(theta)_(1) " to " theta_(2) is

vec(P), vec(Q), vec(R ), vec(S) are vectors of equal magnitude. If bar

1.	vec(P), vec(Q), vec(R ), vec(S) are vectors of equal magnitude. If bar(P) + vec(Q) - vec(R )= O angle between vec(P) and vec(Q) " is " theta_(1). If bar(P) + bar(Q) - bar(S) = O angle between bar(P) and bar(S) " is " theta_(2). The ratio of bar(theta)_(1) " to " theta_(2) is
Answer» `1: 2` `2: 1` `1: 1` `1 : SQRT3` ANSWER :B