Let f(x, y) =V2x?+4y2+18-x. The domain of C for which the level curve f(x, y)=c is an ellipse is O (-o,-4)U(4, o0) o (-, -2)U(2, x) O (-,-3)U(3, x) O (-, -5)U(5, x)

Q: Write out explicitly and simplity possible as h= 5 n!

A: ∑n=0n=5 n2n!=?

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A: Use formula

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A: Given below the detailed solution

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Q: 5) x + 2 :+2 Find de Also, show a check.

A: Topic: integration

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A: Solution is given below..

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Q: A NCCBNC then A CB

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Q: 36 7(modulo3)

A: Concept Used: Consider  a≡b (modulo n) means n/(a-b)i.e. a-b=kn,          for n=integer⇒a=b+kn

Q: Use a direct proof to show that if n² is an odd integer, then n* is also an odd integer.

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Q: 7. Find the length of the triangle. A

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Q: discrete math   For the following sentence you must disproove it. " For all integers x, x^2 + 1…

A: Let  for all integers x, x^2 + 1 is odd

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Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.