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Which of the following forms an AP? If they form an AP, then write the next two items? (i) 4,10,16,22,….. , (ii) 1,-1,-3,-5,……, (iii) -2,2,-2,2,-2,……… (iv) 1,1,1,2,2,2,3,3,3,……, (v) x,2x,3x,4x,………… |
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Answer» next forms are 22+6 = 28 and 28 + 6 = 34 (ii) is AP. next TWO terms are: `-7` and `-9` (iii) not an AP (iv) not an ap (v) is an AP two terms are `4X +x=5x` and `5x+x=6x` |
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