if the sum of all the terms of an AP : 1,4,7,10 x - Maths - Arithmetic Progressions

Question

if the sum of all the terms of an AP : 1,4,7,10 x is 287 then
find x

Bhaveen · Accepted Answer

1 + 4 + 7 + 10 + + x =
287
Let there be n terms in
the A P
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if the sum of all the terms of an AP : 1,4,7,10........x is 287 then find x