Question
The nth term of a sequence is n² + 3n + 1. Find the difference between the 20th and 10th terms.
More Quadratic equation Questions
- I. 5x² - 24 x + 28 = 0 II. 4y² - 8 y - 12= 0
- I. 104x² + 9x - 35 = 0 II. 72y² - 85y + 25 = 0
- (i) 2x² – x – 3 = 0 (ii) 2y² – 6y + 4 = 0
- The equation q2 - 17x + C = 0, has two roots ‘x’ and ‘y’ such that (x – y) = 7. Find an equation which is equal to thrice of the given equation.
- I. p2 - 19p + 88 = 0 II. q2 - 48q + 576 = 0
- I. x2 = 10 II. y2 - 9y + 20 = 0
- I). p2 + 22p + 72 = 0, II). q2 - 24q + 128 = 0
- If x + 1/x = 3, find x² + 1/x².
- I. 2x2 - 9 x + 9 = 0 II. 2y2 - 7 y + 3 = 0
- I. 15y2 + 4y – 4 = 0 II. 15x2 + x – 6 = 0
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