Find $| \mathbf { a } |$ , a + b, $\mathbf { a } - \mathbf { b }$ , 2a, and 3a + 4b given $\mathrm { a } = \langle - 1,2 \rangle$ and $b = \langle 4,3 \rangle$ .

Name: Find $| \mathbf { a } |$ , a + b, $\mathbf { a } - \mathbf { b }$ , 2a, and 3a + 4b given $\mathrm { a } = \langle - 1,2 \rangle$ and $b = \langle 4,3 \rangle$ .
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The Answer of Find $| \mathbf { a } |$ , a + b, $\mathbf { a } - \mathbf { b }$ , 2a, and 3a + 4b given $\mathrm { a } = \langle - 1,2 \rangle$ and $b = \langle 4,3 \rangle$ .

Find ∣a∣| \mathbf { a } |∣a∣ , a + B a−b\mathbf { a } - \mathbf { b }a−b

Find $| \mathbf { a } |$ , a + B $\mathbf { a } - \mathbf { b }$