Question

which of the following are aps is they from an ap find the common difference and write the first trem also
2,4,6,8​

Answer 1

Answer:

Ex 5.1 ,4 Which of the following are APs? If they form an A.P. find the common difference d and write three more terms. (i) 2, 4, 8, 16 … 2, 4, 8, 16….. Difference of second and first term = 4 – 2 = 2 Difference of third and second term = 8 – 4. ... 3 = (7 3 2)/2 = (7 6)/2 = 1/2 Since difference is same, it is an AP Common difference ...

Step-by-step explanation:

Answer 2

Answer:

d=2

a=2

Step-by-step explanation:

$d_{1}$=4-2=2

$d_{2}$=6-4=2

$d_{3}$=8-6=2

∵ $d_{1}$=$d_{2}$=$d_{3}$

∴ series are in ap

First term (a)= 2

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