6. From a bag containing 4 black balls and 5 white balls, two balls are drawn one at a time. Find the probability that one ball is white, and one ball is black. Assume that the first ball is returned before the second ball is drawn. O 16/81 25/81 20/81 40/81

Q: 7/3+4/5+1/3=

A: Given: 73+45+13 To find: We have to calculate the value.

Q: Sum of seriy n=1 2"+1 4ª

A: Explanation of the answer is as follows

Q: 4.8 x 7

A: Solution

Q: fr рор pår (1+ (1 + ln r)

A:

Q: fraluate |-S)t

A:

Q: dx 4. xv9+4x2

A: Method:- I  use Trigonometry substitution method to solve the given integral

Q: csé seé dr CSC. sec

A:

Q: 1 -de 17 Vīo O vỹ O o o O

A:

Q: 32/2,625

A:

Q: To-42 5-2X-3 (6z) odz dy oe aly de

A:

Q: 1

A:

Q: Find 2 6 [["² 4 xy dydx.

A:

Q: The average SAT verbal score for students from one high school over the last 10 exams is as follows.…

A: Given ,The average SAT verbal score for students from one high school over the last 10 exams is as…

Q: csc² 6. 2 2 Cs dx

A: In this question we will use basic of calculus i.e concept of integration. We will simply use…

Q: 2 dx 8x + 9

A: To find the value of given integration  We use some basic results of integration and substitution

Q: sinh²

A: We have to find the value of        sinh2(z/2)

Q: 25 2) V1x-91

A: To evaluate first: ∫dx|x-9| Assume the positive factors and multiply the correction factors:…

Q: What is AC? A В

A:

Q: 51. 2 In 2 -

A: From the data:

Q: Find (2a° + 3x*) dæ + C

A: We evaluate given integral

Q: dx 3V2-2 4V2-2 + 2 In 2 +2 In 2 3 4VZ+2 + 2 In 2 3 + 2 ln 2

A:

Q: Lov all 41ind ')

A: Given fx=xx-1, x≠1 then find f'xNow fx=x·x-1-1fx=gx·hxwhere gx=x , hx=x-1-1f'x=gx·h'x+g'x·hx    by…

Q: 12

A:

Q: Evaluate 2y dy

A: In some cases an integral can be converted to a standard integral using an appropriate substitution.…

Q: 5* dx

A: To solve this problem we have to use substitution method firstly and then exponential rule of…

Q: I ū as a de cimal

A:

Q: 16. z-313 = 176

A: 16) The given equation is z-313=176.

Q: 1/3+4/5=

A:

Q: 54T sec

A:

Q: eto elerminant 3 3 7 6 6 24

A: 5400601337002660024400001 along first column  51337026602440001 again along first  column 5266244001…

Q: 3. N 2 9x + 4x3 dx 9+ 4x* LMIN

A: The given integral is ∫0329x+4x39+4x4dx

Q: 0.6 T² 9 - 25x² dx

A: The given integral is x2/sqrt(9-25x2), limit from 0 to 0.6.

Q: Sev Зх +9 dx

A: