English, asked by shobitha12, 1 year ago

7) In an AP if Sn = 4n – n^2
then d is
A) 2 B) 1 C) - 2
D) - 1​

Answers

Answered by abdullah4228
2

Answer:

s1 = 4(1)-1

s1=3

a=3

s2=8-16

s2=-8

a2=s2-a1

a2=-8-3

a2=-11

d=a2-a1

11-3

=8

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