Math, asked by sathish3680, 1 year ago

Find the 18th yerm of the A.P -7 -2 3 8

Answers

Answered by avni7060
0
ans is 163 hope it's help u
Answered by dhiraj9
0
A=-7
D=-2-(-7)
-2+7
= 5

now,

An = a + (n - 1)d
a18=-7+(18-1)5
=-7+17×5
=-7+85
=78
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