insert five number between 4 and 8 so that the resulting sequence
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If we insert five no. in between 4 and 8 than there an ap of 7 no.
L=a+(n-1)d
8=4+(7-1)d
4=6d
4/6=d
2/3=d
second term=a+d
= 4+2/3
= (12+2)/3
=. 14/3
third term=a+2d
=. 4+2×2/3
=. 4+4/3
=. 16/3
4 , 14/3 , 16/3 , 6 , 20/3 , 22/3 , 8
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