Chapter 5: Q.222. (page 537)

Solve the square using the binomial squares pattern.
${(\frac{1}{5} x - \frac{1}{7} y)}^{2}$

Short Answer

Expert verified

The solution is $\frac{1}{25} x^{2} - \frac{2}{35} x y + \frac{1}{49} y^{2}$ .

Step by step solution

Step 1. Given information.

The given expression is ${(\frac{1}{5} x - \frac{1}{7} y)}^{2}$ .

Step 2. Simplify the given expression by using the binomial squares pattern a-b2=a2-2ab+b2.

Solve it as follows:

${(\frac{1}{5} x - \frac{1}{7} y)}^{2} = {(\frac{1}{5} x)}^{2} - 2 \times \frac{1}{5} x \times \frac{1}{7} y + {(\frac{1}{7} y)}^{2} \Rightarrow \frac{1}{25} x^{2} - \frac{2}{35} x y + \frac{1}{49} y^{2}$

Step 3. Binomial squares expression.

Hence, the binomial squares pattern are $\frac{1}{25} x^{2} - \frac{2}{35} x y + \frac{1}{49} y^{2}$ .

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Solve the square using the binomial squares pattern.
${(\frac{1}{5} x - \frac{1}{7} y)}^{2}$

Short Answer

Step by step solution

Step 1. Given information.

Step 2. Simplify the given expression by using the binomial squares pattern a-b2=a2-2ab+b2.

Step 3. Binomial squares expression.

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Solve the square using the binomial squares pattern.15x-17y2

Short Answer

Step by step solution

Step 1. Given information.

Step 2. Simplify the given expression by using the binomial squares pattern a-b2=a2-2ab+b2.

Step 3. Binomial squares expression.

One App. One Place for Learning.

Most popular questions from this chapter

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Solve the square using the binomial squares pattern.
${(\frac{1}{5} x - \frac{1}{7} y)}^{2}$