Which of the following equations is NOT an exact equation? OA. (2x sin y + y)dx + (x² cos y + x)dy = 0 O B. OC. (xy cos x) dx + (x²-1)dy = 0 OD. cos y dx - (x sin y - y²)dy = 0 O E. dx- /dy=0 y OF. - All of the Choices None of the Choices

Q: 4. x² 2x 5. (125x²y¹) 6. (16a 1/4

A: (4)  K=x22x-5ax×ay=ax+y

Q: 4 2 G F -8 -4 -2 2 10 -2 -4 E 10 K 00

A: Formula for area is length multiply by breadth. Similarly for square its a^2 if side of square is…

Q: Find L{1}ℒ{1}.

A:

Q: 10 8/10 + 9 7/12=

A:

Q: 10 14 9.) Find O 18

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Q: 4n – 1

A:

Q: 5/14+1/6

A: 514+16=15+742

Q: 2 2/3 X 5/8

A: Given that  22/3*5/8

Q: 16 2/5- 8 4/9

A:

Q: 10 X 12 X-3 +4=0

A: Here we have to find the value of x.

Q: A 2/15 B 30 V35 5 20

A: Given,  A circle with secant and tangent  We have to find the value of x

Q: 4/2-6/8

A:

Q: 1/4 +5/4

A: Solution: The objective is to find the value of the given expression

Q: 6 2/5 ÷ 4

A: Given query is to solve the expression.

Q: -3 -10

A: The given equation is:  -3   2÷-10    7

Q: 5 1/6 - 2 1/3

A: Given that 5 1/6 - 2 1/3

Q: 4/10 divided 1/2

A: Answer

Q: 10. 15gr, 20s

A: Given

Q: Find L¹ 1 5 (s²-25) Do not expand. Use a property from 7.4.

A:

Q: 5 1/2-9 3/8

A: Simplify by first using the form to convert it into the form of fraction and then take the LCM and…

Q: 6 3/20 - 6 3/8

A:

Q: 2.8x0.7

A: Multiplication: Multiplication is represented by the sign Cross("×"), Asterisk ("*") or Dot (".").…

Q: 12.2: Using Diagrams to Represent Division 2. Use long division to find 77.4 +5.

A: Given, 77.45  Using long division and diagram to represent , we have to find 77.45

Q: 5. Find the coefficient of a¹¹b4 in the expansion of (a + b)¹5.

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Q: 29 Using the combination formula expand (5+x)

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Q: 22 7/8 - 7=

A: Given,

Q: nvert

A: