3. The sequence 20, 21, 22,...,n,... is defined by the linear recurrence: x0 = 2, x1 = 1, and xn = 3xn-2- 2xn-1, for n > 2. (a) (4 pts) Find 22, 23, 24 and 25 directly from the definition above. (b) (6 pts) Find a formula for In, and use this formula to calculate 15. Suggestion: Use your answer to (a) to check your formula.

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A: Given, -12 - 4n = 20 => -4n = 20 + 12

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A: We will solve the equation as following.

Q: Solve for x and y.

A: We use multiplication operation on matrix and use equality of mattix

Q: |2х +3 3 13

A:

Q: Could you also solve (d) please

A:

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A:

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A: Given W=2ZX+2ZY

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A: Explanation of the answer is as follows

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A: Solution :

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A: We have to simplify this expression and then take the log on both sides, then solve for x.

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A:

Q: rope 'B' to the length of rope 'A'. An alloy contains 2.5 kg of copper and 500 g of zinc. 8. a. Find…

A: Given that the weight of copper is 2.5 kg=2500 gm and zinc is 500 gm in the alloy.

Q: Solve the following, 2. F या) क बा

A:

Q: solve all

A:

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A: Solution:To solve 2x + 5y = 96so, if  y=0    then  2x + 5(0) = 96                                 ⇒…

Q: Find the non-zero solution to the equation 3x* – 30x³ = | O five O three O fifteen O ten

A: