Question

If a1.a2.a3....are in ap such that A1/A1=3/2 then find the 13th term

Answer 1

Answer:

i'm assuming your A1/A1 is A1/A2

-9

Step-by-step explanation:

a1/a2=3/2

a1=3, a2=2

Tn=a+(n-1)d

T13=a+(13-1)d

d=a2-a1, =2-3, =-1

T13=3+(13-1)(-1)

T13=3+(12x-1)

T13=3+(-12)

T13=-9

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