Question

for what value of n,are the nth term of two APs. 63,65,67.........and 3,10,17........equal?​

Answer 1

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Answer 2

Answer:

13

Step-by-step explanation:

an=63+(n-1)*2------ for 1st A. P

an=3+(n-1)*7-------- for 2nd A. P

Equate both of them

63+2n-2=3+7n-7

61+2n=7n-4

65=5n

n=13

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