Kcet
Vector Algebra
KCET 2020
MCQ+1 / -02020
If \(|\mathbf{a}+\mathbf{b}|^2+|\mathbf{a} \cdot \mathbf{b}|^2=144|\mathbf{a}|=6\), then \(|\mathbf{b}|\) is equal to
Kcet
KCET 2020
If \(|\mathbf{a}+\mathbf{b}|^2+|\mathbf{a} \cdot \mathbf{b}|^2=144|\mathbf{a}|=6\), then \(|\mathbf{b}|\) is equal to