Question

a=100, d=-7,Given a and d for the given AP, find the given A.P.

Answer 1

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Answer 2

Given first term in A.P

a = 100 ,

Common difference (d )= -7

We know that ,

nth term in A.P ( an ) = a + ( n - 1 )d

i ) a2 = a + ( 2 - 1 )d

= a + d

= 100 - 7

= 83

ii ) a3 = a2 + d

= 83 - 7

= 76

iii ) a4 = a3 + d

= 76 - 7

= 79

Therefore ,

Required A.P is

100 , 93 , 86 , 79 ,....

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