Important questions of algebra2020
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full algebra book is important
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Find the first two terms of the sequence for which Sn is given below: Sn = n2(n + 1).
Find the value of discriminant (D) for the quadratic equation: x2 + 7x + 6 = 0 .
Write the equation of X-axis. Hence, find the point of intersection of the graph of the equation x + y = 5 with the X-axis.
For a certain frequency distribution, the values of Assumed mean (A) = 1300, åfidi = 900 and
Sfi = 100. Find the value of mean (x) .
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