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Start learning 50% faster. Sign in nowI. 6 y² + 11 y – 7= 0 6 y² + 14 y - 3 y– 7= 0 2 y(3 y + 7) – 1(3 y + 7) = 0 (2 y – 1)(3 y + 7) = 0 y = 1/2,- 7/3 II. 21 x² + 5 x – 6 = 0 21 x² + 14 x - 9 x – 6 = 0 7 x(3 x + 2) – 3(3 x + 2) = 0 (7 x – 3)(3 x + 2) = 0 x = 3/7, -2/3 Hence, relationship cannot be established between x and y
21 23 26 ? 39 51
...12 3 15 ? 153 756
...3 4.5 6.75 10.125 15.1875 22.78125 ?
...In each of the following questions the number series is given. One term of the series is denoted by x. You have to calculate of value of x and by using ...
19 20 42 129 ? 2605 .
24 ? 14 16 39 88.5
...31, 16.5, 18, ?, 60.5, 154.25
11 28 47 70 ? 130
...49 121 169 289 361 ?
...12 23 65 ? 1239 7409
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