Question

4. If each term of A.P. 3,7, 11, 15, ... is increased by constant number 'K'. What is common
difference of new A.P
​

Answer 1

Answer:

it would be four that would remain same

Step-by-step explanation:

d=7-3=4

if we add k to all then

d=7+k-(3+k)=7+k-3-k=4

hence if whole ap is increased by a term then also common difference would be same

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Answer 2

The common difference of the new A.P. Will be same , it will be 4

A.P.=> 3,7,11,15,…
New A.P.==> 3 + k, 7+k, 11+k, 15+k

Common difference = a2-a1 = a3-a2=a4-a3
=7+k-(3+k)
=7+k-3-k
=4


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