G is a graph on n 21 vertices such that both G and its complement have an Euler trail. (Recall that the complement G' of G has the same vertex set as G, and e is an edge of G' if and only if it is not an edge of G.)

Q: The product of the squares of a number and two more than a number is 225. Find all possible values…

A: Let the number be n According to the question, n2(n+2)2=225 ⇒n(n+2)=±225⇒n(n+2)=±15 Case 1 : When…

Q: find 3x2 + 2y = 5, 2x2 + 3y = 10.

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Q: Determine the number of non-negative integer solutions of

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Q: Write the solution set of the equation 2x₁ - 5x₂ + 3x3 = 2 using parameters

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Q: Add this two equation  2x+7y=4 and -2x-8y=-2

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Q: An author works on a new book and after writing a few chapters, begins a new plan to write 600 words…

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Q: 7- V8- x = V2x + 25

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Q: x^2=4x-9. Solution set is: { , }

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Q: Solve  7x - 5 = 8x + 9

A: The equation is given by 7x-5 = 8x+9 To evaluate: The value of x which satisfy the equation.

Q: Solve -5x - 3 =4x + 3

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Q: 2x 3x+4 2x+10 4x+ 16

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Q: three times The smaller of two consecutive odd integers is the same as -236-7 times the larger…

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Q: Multiply the 1st equation by 2 to make -10y. 2x - 5y = -12 3x + 10y = 50

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Q: 4y+9=7y-12

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Q: Sx(2x – 3)°dx

A: Given query is to find the value of integral.

Q: Solve by elimination  4x + 10y= -30 2x-9y =27

A: Given,         4x+10y=-30         2x-9y=27

Q: olve ,  5x + 6y = 45 x + y = 5

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Q: solve (2x-5) - 6 = -5

A: Given, (2x-5) - 6 = -5  So,  2x - 5 -6 = -5 2x -11 = -5 2x = 11-5 2x = 6

Q: Solve for x 3lnx-2xlnx=0

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Q: solve 5x - 3y = 9 for y

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