(Optional) In the rational expression of today's opening question 2021 2020 2022 2021 2022 - 1 replace 2021 with x, 2020 with x - 1, and 2022 with x + 1. Simplify the new rational expression and show that it is equal to 1. .

Q: 3 -4- -0- 4. 2.

A:

Q: 7+3.5-11

A: Let's Solve,

Q: 6.4 3

A:

Q: 2 3 3 4 6 8

A: The mean is computed below.   Aptitude score(x) Frequency(f) x*f 0 4 0 1 2 2 2 3 6 3 0 0…

Q: 6.5+ 4

A: To simplify given

Q: 5/14+1/6

A: 514+16=15+742

Q: 196. 2(n+1)

A:

Q: expand (a-b)7

A: The solution is given in the next step.

Q: 6.3 3

A:

Q: 3/8+5/24

A: The given expression is 3/8 + 5/24.Simplify the given expression as follows.

Q: 6.1 4

A: Given that  The vector

Q: Expand (a −b)4

A:

Q: 8 13

A:

Q: Identify the postulate for each drawing

A: Identify the postulates for each drawing

Q: 6. 3 (2s+5)³

A:

Q: 2/5 +7/12

A: Please see the answer below.

Q: (NINETEEN)

A: The information provided in the are as follows :-Level of significance