Question

please reply!! as Soon as possible
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Answer 1

Hello! Good mornin & here's your answer :

a+2d=7

a+6d=2+3(a+2d)

=2+3a+6d

from above

a=-1,Putting in first eqation

d=4

hence sum of 25 terms =25/2(-2+(24)d)

=25/2(94)

=25×47

=1175

Hope this helps ya buddy....

Please gimme a brainliest if it did

THANKS!