vec(F)=ahat(i)+3hat(j)+6hat(k) and vec(R)=2hat(i)-6hat(j)-12hat(k). The value of 'a' for which angular momentum is conserved is

vec(F)=ahat(i)+3hat(j)+6hat(k) and vec(R)=2hat(i)-6hat(j)-12hat(k). Th

1.	vec(F)=ahat(i)+3hat(j)+6hat(k) and vec(R)=2hat(i)-6hat(j)-12hat(k). The value of 'a' for which angular momentum is conserved is
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