CUET Mathematics 2022 6 Aug Shift 2Algebra > Easy000333−1-1−1−3-3−3✅ Correct Option: 4Related questions:15 June Shift 2Let a⃗\vec{a}a and b⃗\vec{b}b be two unit vectors. If the vectors c⃗=5a⃗−4b⃗\vec{c} = 5\vec{a} - 4\vec{b}c=5a−4b and d⃗=a⃗+2b⃗\vec{d} = \vec{a} + 2\vec{b}d=a+2b are perpendicular to each other, then the angle between a⃗\vec{a}a and b⃗\vec{b}b is :15 May Shift 2If a^,b^\hat{a}, \hat{b}a^,b^ and c^\hat{c}c^ are three unit vectors and a^+b^+c^=0⃗\hat{a} + \hat{b} + \hat{c} = \vec{0}a^+b^+c^=0, then the angle between a^\hat{a}a^ and (−b^)(-\hat{b})(−b^) is16 May Shift 1If a⃗\vec{a}a and b⃗\vec{b}b are two unit vectors and a⃗+b⃗\vec{a} + \vec{b}a+b is also unit vector, the magnitude of a⃗−b⃗\vec{a} - \vec{b}a−b is