2x+1,4x-1,5x+1 write the sequence
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Answer:
the sequence is 9,15,21......
Step-by-step explanation:
a=2x+1
d=4x-1-(2x+1)
=4x-1-2x-1
=2x-2
t₃=2x+1+(3-1)2x-2
5x+1=2x+1+4x-4
5x+1=6x-3
6x-5x=4
x=4
so,
a=8+1=9
t₂=16-1=15
t₃=20+1=21
the sequence is 9,15,21......
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