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216The 4th term of a geometric progression is 3 and 7Find the Geometric series (PS)term is¡ |
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Answer» 4th term=ar^3=2/37th term=ar^6=16/81(ar^6)/(ar^3)=(16/81)/(2/3)r^3=8/27so r=2/3a*(8/27)=2/3so a=(2/3)*(27/8)so a=9/4 |
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