If vec(p)= vec(a)-vec(b), vec(q)= vec(a) + vec(b), |vec(a)|= |vec(b)|= – InterviewSolution

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1.	If vec(p)= vec(a)-vec(b), vec(q)= vec(a) + vec(b), \|vec(a)\|= \|vec(b)\|=t " then " \|vec(p) xx vec(q)\|=
Answer» `2 SQRT(t^(2)-(VEC(a).vec(B))^(2))` `3 sqrt(t^(2)-(vec(a).vec(b))^(2))` `sqrt(t^(4) -(vec(a).vec(b))^(2))` `2 sqrt(t^(4)-(vec(a).vec(b))^(2))` Answer :D

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