solve the recurrence relation either by using the characteristic equation or by discovering a pattern formed by the terms.
-$$a _ { n } = - 10 a _ { n - 1 } - 21 a _ { n - 2 } , \quad a _ { 0 } = 2 , a _ { 1 } = 1$$

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The Answer of solve the recurrence relation either by using the characteristic equation or by discovering a pattern formed by the terms.
-$$a _ { n } = - 10 a _ { n - 1 } - 21 a _ { n - 2 } , \quad a _ { 0 } = 2 , a _ { 1 } = 1$$

Solve the Recurrence Relation Either by Using the Characteristic Equation an=−10an−1−21an−2,a0=2,a1=1a _ { n } = - 10 a _ { n - 1 } - 21 a _ { n - 2 } , \quad a _ { 0 } = 2 , a _ { 1 } = 1an​=−10an−1​−21an−2​,a0​=2,a1​=1

Solve the Recurrence Relation Either by Using the Characteristic Equation $a _ { n } = - 10 a _ { n - 1 } - 21 a _ { n - 2 } , \quad a _ { 0 } = 2 , a _ { 1 } = 1$