Question

Find the first term and the common difference of the A.P.
INCER
The first term of an A.P. is 5 and its 100th term is - 292. Find the 50th term of this A.P.
Find
for the AP​

Answer 1

Answer:

a= 5

a100 =292

n= 100

we know an=a +(n-1)d

292 = 5 + 99d

99d=287

d= 287÷99

50 th term= 5 + (50-1)× (287÷99)

= 5+ 49×(287÷99)

= 147

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