$$|\vec{a} \times \vec{b}|^2 = |\vec{a}|^2 |\vec{b}|^2 - (\vec{a} \cdot \vec{b})^2$$
Sign in
Please select an account to continue using cracku.in
↓ →
CAT Formulas
Vector Algebra
Lagrange's Identity
$$|\vec{a} \times \vec{b}|^2 = |\vec{a}|^2 |\vec{b}|^2 - (\vec{a} \cdot \vec{b})^2$$
Start your IIM journey with the right preparation and crack CAT 2026.
Educational materials for CAT preparation