CUET and UG exam TS EAMCET Engineering Mock Test Series 2025 Mathematics Vector Algebra Scalar and Vector Product
If \(\rm |\vec{a}|=3,|\vec{b}|=4\), then a value of λ for which \(\rm \vec{a}+\lambda \vec{b}\) is perpendicular to \(\rm \vec{a}-\lambda \vec{b} \) is :
1
\( \frac{9}{16}\)
2
\( \frac{3}{4}\)
3
\( \frac{3}{2}\)
4
\( \frac{4}{3}\)