In the question, a pair of equation is given. You have to find out the values of a and b and give answer :

I. $a^{2} + 9 a + 20 = 0$

II. $2 b^{2} + 10 b + 12 = 0$

if a<b

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if a b

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if a>b

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if a b

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Solution

The correct option is A
if a<b

I. $a^{2} + 9 a + 20 = 0$

Roots are -4,-5.

II. $2 b^{2} + 10 b + 12 = 0$

Roots are -2,-3.

Obviously b> a.

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