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Given, q2 - 17x + C = 0 Since, sum of roots of the equation = 17 Therefore, x + y = 17……. (1) And, x – y = 7……. (2) On solving equation (1) and (2), we get x = 12 and y = 5 Desired equation = (q - 12)(q - 5) = 0 => q2 + 17q + 60 = 0 So, 3 × (q2 + 17q + 60) = 0 => 3q2 + 51q + 180 = 0
If x stands for ‘addition’, ÷ stands for ‘subtraction’, + stands for ‘multiplication’, and – stands for ‘division’, then 90 x 85 – ...
If the signs '+' and ' ÷ 'and the numbers '2' and '4' are interchanged, which one of the following four equations would be correct?
If '+' means 'division', '-' means 'multiplication', '÷' means 'addition' and ' X ' means 'subtraction', then what is the value of the following expres...
Which sequence of mathematical symbols among given sequences must be inserted in place of the (?) in order to obtain the desired result?
(250 ? 7...
Select the correct combination of mathematical signs that can sequentially replace the ‘*’ signs and balance the given equation.
18 * 6 * 6...
If 'A' stands for '-', 'B' stands for '×', 'C' stands for '+', and 'D' stands for '÷', then what is the value of the following expression.
45 D...
Select the correct combination of mathematical signs that can sequentially replace the sign * and make the equation correct.
5 * 14 * 6 * 8 * 9 * 502
By interchanging which two signs the question will be correct?
15 + 5 ÷ 2 – 9 × 3 = 22
If '+' means ' - ', ' X ' means '+', ' - ' means '÷' and '÷' means ' X ', then what is the value of the following expression?
112 - 4 + 65 X 22...
If ‘–‘ means ‘addition’, ‘+’ means ‘subtraction’, ‘÷ ‘ means ‘multiplicat...
