Question

common difference when a=3,n=8&s=192is oppatios (1) 8 (2) 3. (3). 6 (4) 7​

Answer 1

Answer:

let the common difference is d

here a=3

n=8

s=192

we know

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

=> 192=8/2{2*3+(8-1)d

=> 192=4(6+7d)

=> 192/4=6+7d

=> 48=6+7d

=> 48-6=7d

=> 42=7d

=> d=42/7=6

common difference is 6

Step-by-step explanation:

Answer 2

Answer:

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