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dedylja [7]
3 years ago
6

Helpppppppppppppppppppp

Mathematics
1 answer:
Sliva [168]3 years ago
8 0
a_1=11+(1-1)(4)=11+0=11\\\\a_2=11+(2-1)(4)=11+4=15

so:

a_2=a_1+\,?\\\\15=11+\,?\\\\\boxed{?=4}

Answer B.
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