" If "P=4hat i-2hat j+6hat k" and "Q=hat i-2hat j-3hat k," then the angle which "P+Q" makes with "x" -axis is "

If vec(A) = 4hat(i) - 2hat(j) + 6hat(k) and B = hat(i) - 2hat(j) - 3hat(k) the angle which the vec(A) vec(B) makes with x-axis is :

If vec(A) = 4hat(i) - 2hat(j) + 6hat(k) and B = hat(i) - 2hat(j) - 3hat(k) the angle which the vec(A) vec(B) makes with x-axis is :

If bar(P)=hat i+hat j+hat k,bar(Q)=2hat i-hat j-hat k , then bar(P)-bar(Q) is

Vectors vec A=hat i+hat j-2hat k and vec B=3hat i+3hat j-6hat k are

Two vectors P=2hat I +bhat j +2hat k and Q=hat i+hat j+hat k will be parallel if :

Two vectors P=2hat I +bhat j +2hat k and Q=hat i+hat j+hat k will be parallel if :

If vec(P)=hat(i)-2hat(j)-3hat(k)and vec(Q)=4hat(i)-2hat(j)+6hat(k) , the angle made by vec(P)+vec(Q) with X-axis is

If vec(P)=hat(i)-2hat(j)-3hat(k)and vec(Q)=4hat(i)-2hat(j)+6hat(k) , the angle made by vec(P)+vec(Q) with X-axis is

Given two vectors vec(A) = -hat(i) + 2hat(j) - 3hat(k) and vec(B) = 4hat(i) - 2hat(j) + 6hat(k) . The angle made by (A+B) with x-axis is :

Given two vectors vec(A) = -hat(i) + 2hat(j) - 3hat(k) and vec(B) = 4hat(i) - 2hat(j) + 6hat(k) . The angle made by (A+B) with x-axis is :