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.

Q: 7. 5(c+4)=D.

A: To find the value of C

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A:

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A:

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A:

Q: ) Solve: |5x - 7| = 3. a. -2, -4/5 b. 2 c. 4/5 d. 2, 4/5

A:

Q: 8) 2 . 1 1 X - 3

A: Simplification

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A:

Q: Solve A= 2BC+ 2BD for B. B =

A: Let,  ax+b=c This gives, x=(c-b) /a is the required solution for x.

Q: Find all values of the following roots. a) (31)¹/2 b) (-i)¹/4 c) (-1)¹/4

A: According to guidelines we can solve only first three subparts, please repost remaining subparts.

Q: Find +62+7) dr 1(2²³/20 +C

A: Integration  ∫3x2+6x+7dx

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A:

Q: 5) Solve: 2 1n(4 - 3x) + 1 = 7

A:

Q: Solve

A: Give equation is

Q: 3. Solve for the unknown whole number in the following expressions. (a) z + 14 = 2 R 13 (b) 62 +…

A: Explanation: a) z÷14=2 R 13 We know that,  Dividend = Quotient * Divisor + Remainder So,…

Q: SOLVE STEP BY STEP IN DIGITAL FORMAT Find the coefficient of x7 in (1 + x + x² + x³ + x4 + ...)¹3

A: