pls ans the question
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i think last one...
(d).....
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Yes option d is right
4n+1
For first figure n=1
4*1+1=5
For second figure number of lines n=2
4*2+1= 9
number of lines n=2
4*2+1= 9
4n+1
For first figure n=1
4*1+1=5
For second figure number of lines n=2
4*2+1= 9
number of lines n=2
4*2+1= 9
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