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If 3+x,x-3,-2x+12 are in A.P.,then the value of x is |
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Answer» X=7 Step-by-step explanation: 3+x, x-3, - 2x+12 in A.P. Then A2 - A1 = d(Common Diffence) A3- A2 = d So, (x-3)-(x+3) = (-2x+12)-(x-3) x-3-x-3 = - 2x+12-x+3 -6 = -3x+15 -3x = - 21 X = 7 |
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