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Two equations (I) and (II) are given in ...

Two equations (I) and (II) are given in each question. On the basis of these equations you have to decide the relation between x and y and give answer
I. `(15)/( sqrt(x)) - (9)/( sqrt(x)) = (x)^((1)/(2))`
II. ` y^(10) - (36)^(5) = 0 `

A

If ` x gt y `

B

If ` x lt y `

C

If ` x ge Y`

D

If x = y or no relation can be established between 'x' and 'y'

Text Solution

AI Generated Solution

The correct Answer is:
To solve the given problem, we will analyze and solve the two equations step by step. ### Step 1: Solve Equation I The first equation is: \[ \frac{15}{\sqrt{x}} - \frac{9}{\sqrt{x}} = x^{\frac{1}{2}} \] **Hint for Step 1:** Combine the fractions on the left side. Combining the fractions: \[ \frac{15 - 9}{\sqrt{x}} = x^{\frac{1}{2}} \] This simplifies to: \[ \frac{6}{\sqrt{x}} = x^{\frac{1}{2}} \] ### Step 2: Cross-Multiply Now, we can cross-multiply to eliminate the fraction: \[ 6 = x^{\frac{1}{2}} \cdot \sqrt{x} \] **Hint for Step 2:** Remember that \(\sqrt{x} = x^{\frac{1}{2}}\). Since \(\sqrt{x} = x^{\frac{1}{2}}\), we can rewrite the equation as: \[ 6 = x^{\frac{1}{2}} \cdot x^{\frac{1}{2}} = x^{\frac{1}{2} + \frac{1}{2}} = x^1 \] Thus, we have: \[ x = 6 \] ### Step 3: Solve Equation II The second equation is: \[ y^{10} - 36^5 = 0 \] **Hint for Step 3:** Move the term to the other side of the equation. Rearranging gives: \[ y^{10} = 36^5 \] ### Step 4: Simplify the Right Side Now, we can express \(36\) as \(6^2\): \[ y^{10} = (6^2)^5 \] **Hint for Step 4:** Use the power of a power property. Using the property of exponents: \[ y^{10} = 6^{2 \cdot 5} = 6^{10} \] ### Step 5: Equate the Exponents Since the bases are the same, we can equate the exponents: \[ y = 6 \] ### Step 6: Determine the Relation Between x and y Now we have: \[ x = 6 \quad \text{and} \quad y = 6 \] Thus, the relation between \(x\) and \(y\) is: \[ x = y \] ### Final Answer The relation between \(x\) and \(y\) is: \[ \boxed{x = y} \]
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