Question

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Answer 1

(i) 3,1,-1,-3,...

a = 3

d = a₂ - a₁ = 1 - 3 = 2

d = 2

(ii) -5, -1, 3, 7....

a = -5

d = a₂ - a₁ = -1 - (-5) = -1 + 5 = 4

d = 4

(iii) 1/3, 5/3, 9/3, 13/3.....

a = 1/3

d = a₂ - a₁ = 5/3 - 1/3 = 5-1/3 = 4/3

d = 4/3

(iv) 0.6, 1.7, 2.8, 3.9.....

a = 0.6

d = a₂ - a₁ = 1.7 - 0.6 = 1.1

d = 1.1

Answer 2

Your All answers are in above Attachment!!

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