Matematika

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tolong dijawab yaaaa
tolong dijawab yaaaa

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  • 2) a= 3
    b= 2
    Un=3+(n-1)2
    =3+2n-2
    =1+2n
    U2013= 1+2 (2013)
    =1+4026
    =4027
    3) a=2
    b=2
    Un=2+(n-1)2
    =2+2n-2
    =2n
    U100= 2 (100)
    =200

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