If the roots of the equation (b - c)x2 + (c - a)x + (a-b) = 0 are equal, thenHome | Discussion Forum
If the roots of the equation (b - c)x2 + (c - a)x + (a-b) = 0 are equal, then
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1) The sum of 5 numbers in AP is 30 and sum of their squares is 220. Which of the following is the third term ?
2) If the third term of an AP is 12 and the seventh term is 24, then the 10th term is
3) Second term of sequence with general term n2 - 4/2 is
4) 2,4,6,8,10,12,… is
5) An AP consist of 31 terms if its 16th term is m, then sum of all the terms of this AP is