Question

Find the 20th term from the last term of the Ap : 3 , 8 , 13 ,
... , 253 .​

Answer 1

Here,

a= 3

d= 8-3= 5

Then, an= 253

=> a+(n-1)d = 253

=>3+(n-1)5= 253

=> n- = 253-3/5

=> n= 51

So, the 20 th term = 51-20+1= 32

Therefore, a32=a+( n-1) d

= 3+31*5

= 158

Answer 2

Answer:

⭐here's your answer:⭐

...

▶️°∆∆∆∆∆∆∆∆∆∆∆∆∆∆∆°

158

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Step-by-step explanation:

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hope it helps you

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