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Find first there terms of an A.P whose nth term is -5+2x

Answer» [I think nth term of an A.P. is -5+2n not -5+2x.]Given nth term of an A.P. an=-5+2nPut n=1 we get a1=-5+2×1=-5+2=-3Put n=2, a2=-5+2×2=-5+4=-1Put n=3, a3=-5+2×3=-5+6=1So the first three term are -3,-1,1


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