In the following questions, two equations numbered I and II are given. You have to solve both the equation and given answer
I. 5x – 35/x = 18
II. 25y2 + 110y + 121 = 0
In the following questions, two equations numbered I and II are given. You have to solve both the equation and given answer
I. 5x – 35/x = 18
II. 25y2 + 110y + 121 = 0
1). Is x > y
2). If x ≤ y
3). If x < y
4). If x ≥ y
1 answers
Answered by
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2019-06-07 09:09:16 | Votes
3 |
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Statement I:
5x – 35/x = 18
⇒ 5x2 – 18x – 35 = 0
5x2 – 25x + 7x – 35 = 0
5x (x – 5) + 7 (x – 5) = 0
x = 5 or x = - 7/5
Statement I I:
25y2 + 110y + 121 = 0
25y2 + 55y + 55y + 121 = 0
5y (5y + 11) + 11 (5y + 11) = 0
y = - 11/5
∴ y < x
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