If (x – 2) and (x + 3) are the factors of the equation x2 + k1x + k2 = 0, then what are the values of k1 and k2?
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The expression 52n –23n has a factor?
A mason can build a wall in 70 hours. After 7 hours he takes a break. What fraction of the wall is yet to be built?
In the given figure, in triangle STU, ST = 8 cm,TU = 9 cm and SU = 12 cm. QU = 24 cm, SR = 32 cm and PT = 27 cm. What is the ratio of the area of triangle PQU and area of triangle PTR?
A batsman makes a score of 95 runs in the 13th match and thus increases his average runs per match by 4. What is his average after the 13th match?
If x + y = 5, x3 + y3 = 35, then what is the positive difference between x and y?
In the following question, select the odd number pair from the given alternatives.
If 2x + 3y – 5z = 18, 3x + 2y + z = 29 and x + y + 3z = 17, then what is the value of xy + yz + zx?