Write the first five terms of the sequence.

a n = -1() n - 1

+1,- 1, +1, -1, +1

Step-by-step explanation:

Given sequence : =

where represents the term of the sequence.

⇒The first term is obtained by substituting n=1, the second term is obtained by substituting n=2 and so on...

= = = +1

= = = -1

= = = +1

= = = -1

= = = +1

option 3 . (5x + 1) - (-10x + 6)

step-by-step explanation:

option 1 :

(4x + 3) + (-9x + 4)

or 4x+3 -9x + 4

or -5x + 7

option 2

(x - 2) - (6x - 9)

or x-2-6x + 9

or -5x + 7

option 3

(5x+ + 6)

or 5x + 1 + 10x -6

or 15x -5

option 4

-4x+2x+7-3x

-7x + 2x + 7

-5x + 7

hence only option 3 did   not satisfy the given simplify expression.