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Verified answer
Jawaba = 17
b = 3
u30- u10 =
= (29-9) b
= 20 b
= 60
Verified answer
17,20,23,...a= 17
b = 20-17 = 3
U30 - U10 = a + 29 b - (a + 9b)
= a + 29b - a - 9b
= 29 b - 9b
= 20 b
= 20 (3)
= 60