a=-100, d=7,Given a and d for the given AP, find the given A.P.
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Given first term ( a ) = -100 ,
common difference ( d ) = 7
We know ,
nth term of A.P ( an ) = a + ( n - 1 )d
i ) a2 = a + ( 2 - 1 )d
= a + d
= -100 + 7
= - 93
ii ) a3 = a2 + d
= -93 + 7
= - 86
iii ) a4 = a3 + d
= -86 + 7
= -79
Therefore ,
Required A.P is ,
-100 , -93 , -86 , -79, ....
••••
common difference ( d ) = 7
We know ,
nth term of A.P ( an ) = a + ( n - 1 )d
i ) a2 = a + ( 2 - 1 )d
= a + d
= -100 + 7
= - 93
ii ) a3 = a2 + d
= -93 + 7
= - 86
iii ) a4 = a3 + d
= -86 + 7
= -79
Therefore ,
Required A.P is ,
-100 , -93 , -86 , -79, ....
••••
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