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In the following questions two equations...

In the following questions two equations numbered I and II are given. You have to solve both the equations and Give answer:
I `x^2+8x+12=0`
II `y^2+14y+45=0`

A

if `xgey`

B

if `xlty`

C

if `xley`

D

if x= y or the relationship between x and y cannot be established.

Text Solution

AI Generated Solution

The correct Answer is:
To solve the given equations step by step, we will follow the process of factoring and finding the roots of each quadratic equation. ### Step 1: Solve Equation I The first equation is: \[ x^2 + 8x + 12 = 0 \] To factor this equation, we need to find two numbers that multiply to 12 (the constant term) and add up to 8 (the coefficient of x). The numbers that satisfy this condition are 6 and 2. Thus, we can rewrite the equation as: \[ (x + 6)(x + 2) = 0 \] ### Step 2: Find the Roots for Equation I Now, we set each factor to zero: 1. \( x + 6 = 0 \) → \( x = -6 \) 2. \( x + 2 = 0 \) → \( x = -2 \) So, the solutions for Equation I are: \[ x = -6 \quad \text{and} \quad x = -2 \] ### Step 3: Solve Equation II The second equation is: \[ y^2 + 14y + 45 = 0 \] Again, we need to find two numbers that multiply to 45 and add up to 14. The numbers that work here are 9 and 5. Thus, we can factor the equation as: \[ (y + 9)(y + 5) = 0 \] ### Step 4: Find the Roots for Equation II Now, we set each factor to zero: 1. \( y + 9 = 0 \) → \( y = -9 \) 2. \( y + 5 = 0 \) → \( y = -5 \) So, the solutions for Equation II are: \[ y = -9 \quad \text{and} \quad y = -5 \] ### Step 5: Compare the Values of x and y Now we have the values: - From Equation I: \( x = -6 \) and \( x = -2 \) - From Equation II: \( y = -9 \) and \( y = -5 \) We will compare these values: 1. For \( x = -2 \) and \( y = -5 \): - Here, \( -2 > -5 \) (x is greater than y) 2. For \( x = -6 \) and \( y = -5 \): - Here, \( -6 < -5 \) (x is less than y) ### Conclusion Since we have one case where \( x \) is greater than \( y \) and another case where \( x \) is less than \( y \), we cannot establish a definitive relationship between \( x \) and \( y \). Thus, the final answer is that the relationship between \( x \) and \( y \) cannot be established. ---
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