find the nth term of -15, -18,-21....
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Answered by
22
2a=-15 , d=3
an=a+(n-1)d
an=-15+(n-1)3
an=-15+3n-3
an=-18+3n
18=3n
n=18/3
n=6
hope this ans helps u
an=a+(n-1)d
an=-15+(n-1)3
an=-15+3n-3
an=-18+3n
18=3n
n=18/3
n=6
hope this ans helps u
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6
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