Math, asked by anaya2095, 1 year ago

which term of arthimetic progression 3,10,17 will be 84 more than its 13 term

Answers

Answered by yoraj50
0
A.P - 3,10,17...

a =3
d =7

let the term be n

a (n)= 84 +a (13)
a (n)= 84 + a + 12 (7)
a (n)= 7(12) + a + 12(7)
a (n)= a +7(12+12)
a (n) = a + 24 (7)
a (n) = a +(25-1)(7)
a (n) = a (25)
:. n= 25

Hence, the 25th term will be 84 more than 13th term
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