Find the 18th yerm of the A.P -7 -2 3 8
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ans is 163 hope it's help u
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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
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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