Given that and

MATHEMATICS · Subjective · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices

Problem

Given that ∣a∣=3|\mathbf{a}| = 3 and ∣b∣=4|\mathbf{b}| = 4 , simplify (2a+b)×(5a+3b)(2\mathbf{a} + \mathbf{b}) \times (5\mathbf{a} + 3\mathbf{b}) .

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