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Verify each of the following is an A.P or not?(i) x+y, (x+1)+y, (x+1)+(y+1),- - -(ii) x, 2x+1, 3x+2, 4x+3, - - - (iii) x, 2x, 3x, 4x, - - - |
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Answer» (i)x+1+y-x-y=1,x+1+y+1-x-1-y=1 since,it is an AP (II)it is an AP (III)it is an AP |
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