You can put this solution on YOUR website! In an arithmetic progression a2=6 and a3=5
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a(1) + d = 6
a(1) +2d = 5
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Subtract and solve for "d"::
d = -1
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Solve for a(1)::
a(1)+ d = 6
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a(1) -1 = 6
a(1) = 7
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Find a(6) = a(1) + 5d = 7 + 5*-1 = 2
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Cheers,
Stan H.
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