Question

6. Which term of the AP 4, 7, 10, .... is 64​

Answer 1

Answer:

answer is 21 number of terms

Step-by-step explanation:

a = 4,d=3 last term(TN)=64

we know that TN= a+(n-1)d

64= 4+(n-1)3

64=4+3n-3

64-1= 3n

n= 63/3

n= 21

Answer 2

Step-by-step explanation:

a=4

d=7-4:=:3

an=64

an=a+(n-1)d

64=4+(n-1)3

64-4=3n-3

60=3n-3

60+3=3n

63=3n

n=63/3

n=21.

is your answer

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