Question

if the fifth term of an gp is 32 and common ratio is 2 then the 1st term is


please help me​

Answer 1

Answer : 24 ✔✔

___________________________

Solution :

Given that :

T5 = 32, d = 2, a = ?

As we know that :

Tn = a + (n - 1)d

T5 = a + (5 - 1)2

=> 32 = a + 4×2,

=> 32 = a + 8

=> a = 32 - 8 = 24

___________________________

I hope it will help you ☺

Fóllòw Më ❤