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here n= 7n+1/4n+27
n=9, 63+1/36+27
=64/63
=64:63
n=9, 63+1/36+27
=64/63
=64:63
Jyotiyadav5:
I don't think it is correct
because it is sum of first n terms
the answer you find is sum of 9 terms
Here,
For the first term., Sn=7n +1;a1 =8 and d=7
Ya u are right
For second ap, Sn =4n +27;a1=31 and d=4
thank
And the ratio will still be 64:63
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Here's ur answer...
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Here's ur answer...
Hope it may help you...
Thank you..
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