Given this example: n-1 i. E(n – k)2* Answer for (c.i): 2"+1 – 2 – n k=0 If S is the sum, then 2S – S = 2" + 2"-1+ 2"-2 +...+21 -n = 2"+1 – 2 – n. Simplify the following similar expression: n-5 1. S(n) = 5*(-k +n), n > 5 k=0

Q: 9

A: As we know that (-1)^2 = 1 (ab)^2= a^2b^2

Q: 3. Prove that ox + 6x -4X12 is irreducible over Q.

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Q: Evaluate the following expression. 2 (5 [26-(8+8)]- 13}-8 2 {5 [26-(8+8)]- 13}-8= (Simplify your…

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Q: a + b Given a = -3 and b = 4 and c = -5, evaluate 1/5 -7/5 -1/5

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Q: Simplify the following expression 9q-2(3q-9) O Apple 14q + 3g + 6 9q? – 6q + 18 O 9q + 6q + 6…

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Q: Simplify the following expression: (6n4 – 2n2 + 4) – (7nª + 3 + 8n) + 8n - -n4 – 2n2 + 16n -n4 – 2n2…

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Q: Which of the following is equivalent to the expression below? 12(y + 89) A. 12(89 y) B. (12 89) + y…

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Q: Evaluate the following expression. -3[(-4)²-6(9-7)1² -31(-4)2-6(9-7)1²- (Simplify your answer.)

A: This question is based on BODMAS rule-:The brackets have to be solved first followed by powers or…

Q: Which one of these expressions is not equivalent to the other two? Select the odd one out. A (В B a.…

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Q: Evaluate. (a) (– 6)2 (b) -6

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Q: 5 Let A = -7 7 0 and B= 3 3 - - -3 1 0 Find 2A + 6B. -2A + 6B = 065 1 12 -5 5 -1 - 1 3

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Q: 1. (-2e-3*)4

A: 1 Given expression is −2e−3x4. We have to simplify the expression. −2e−3x4=−24e−3x4=16e−3x4 Hence,…

Q: Which expression is equivalent to -3(4+n) – (2n – 5)? —п —7 О-п- 17 O -5n – 7 -5n – 17

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Q: Choose one of the expressions below and evaluate when n = 13: 2 n²-9 2(4-3) or (n+3). n-3 8-3-2

A: Given:We are required to:

Q: Evaluate the following expression. −2(-3) + [6+ (6-9)²] /√25+4

A: The given expression is:−2(−3)+[6+(6−9)2]/25​+4 Recall the order of operations, PEMDAS:P -…

Q: A boy has a collection of 20 pennies, 8 nickels, 10 dimes and 15 quarters. How many coins must the…

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Q: (n-2) x m ( it's multiplication between parentheses and m) when n=5 and m=9

A: We have to find  (n - 2) × m , when n=5 & m = 9