Question

8,3,-2... first 22 terms sum off APs



please answer with images in paper​

Answer 1

Answer:

Step-by-step explanation:

S= n/2{2a + (n-1)d}

S= 22/2{2×8 +(22-1) ×-5}

S = 11(16+21×-5)

S=11(16-105)

S = 11 × -89

S = - 979

Answer 2

Step-by-step explanation:

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