Question

write the value of x which will the consecutive terms x+9,2x-1 and 2x-7 from an ap​

Answer 1

since x+9, 2x-1 and 2x-7 are in AP

then,

$= > (2x - 1) - (x + 9) = (2x - 7) - (2x - 1) \\ \\ = > 2x - 1 - x - 9 = 2x - 7 - 2x + 1 \\ \\ = > x - 10 = - 6 \\ \\ = > x = 4$

the no.s are 13, 7 , 1

Answer 2

Answer:

Difference between each term in AP is equal.

2x-1-x-9=2x-7-2x+1

x-10=(-6)

x=4

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