Directions (31-35): In each of the following questions two equations are given. Solve these equations and give answer:
I.
II.
Correct Answer :
if x ≥ y
Solution :
To find the relationship between and , we need to solve the two given quadratic equations separately and compare their roots.
Step 1: Solve Equation I for
The first equation is:
To solve this quadratic equation by splitting the middle term, we find two numbers whose product is and whose sum is . These numbers are and .
Splitting the middle term:
Factorizing by grouping:
This gives the roots:
or
Step 2: Solve Equation II for
The second equation is:
We find two numbers whose product is and whose sum is . These numbers are and .
Splitting the middle term:
Factorizing by grouping:
This gives the roots:
or
Step 3: Compare the values of and
Now, we compare each value of with each value of :
- Comparing :
For , (so ).
For , (so ).
- Comparing :
For , (so ).
For , (so ).
Combining all the cases, we find that is either greater than or equal to ().
Therefore, the correct relation is if x ≥ y.
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