Question

if 2x-1, 2X-3 and x+4 are in AP find x​

Answer 1

Answer:

x=9

Step-by-step explanation:

solⁿ

since 2x-1, 2x-3 and x+4 are in AP,

then

a=2x-1

d=2x-3-(2x-1)

=2x-3-2x+1

=-2

l=x+4=tn

n=3

now,

tn=a+(n-1)d

x+4=2x-1 +(3-1)×(-2)

x+4=2x-1-4

2x-x=4+4+1

∴x=9

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