Question

sum of nth term of an Ap is 2n²-3n find the first term and common difference

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Answer 1

Answer:

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Answer 2

Answer : 1st t = -1

C.D = 4

Step-by-step explanation:

1st t - 2n²-3n = 2 - 3 = -1

c.d =[( 8- 6 = 2) - (-1)] - [-1]

= 4