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Question

x2+ 9X + 20 = 0

Y2+ 5Y + 6 = 0


A

(a)

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B

(b)

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C

(c)

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D

(d)

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E

(e)

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Solution

The correct option is B

(b)


x2 + 9x + 20 = 0

x2 + 4x + 5x + 20 = 0

[x + 4][x + 5] = 0

x = -4, -5

y2 + 5y + 6 = 0

y2 + 3y + 2y + 6 = 0

[y + 3][y + 2] = 0

y = -2, -3 x = -4, -5

So, clearly, x<y


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