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Find the common difference of the A.P whose first term is 12 and fifth term is0. |
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Answer» a=12a+4d=0 by elimination-4d=12d=-12/4=-3 -3 You ans is -3 a=12 a5=0 = a+4d - - - - - - (1)Put a=12 in eq. (1)a5 = 12+4d-12=4dd=-12/4 = - 3 -3 |
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