find the sum of 8,3,-2 .....to 22 terms
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Find the sum of arithmetic progression 8,3,-2 ,......... up to 22 terms
- 2nd term : a₂ = 4 = ( 1 + 3 ) = a + d.
- Common difference ( d ) : a₂ - a₁
- 3rd term : a₃ = a + 2d.
Step-by-step explanation:
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