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Multiply and divide the fraction $\frac{9}{\sqrt{7}+2}$ by the conjugate of it's denominator $\sqrt{7}+2$
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$\frac{9}{\sqrt{7}+2}\cdot \frac{\sqrt{7}-2}{\sqrt{7}-2}$
Learn how to solve problems step by step online. Rationalize and simplify the expression 9/(7^1/2+2). Multiply and divide the fraction \frac{9}{\sqrt{7}+2} by the conjugate of it's denominator \sqrt{7}+2. Multiplying fractions \frac{9}{\sqrt{7}+2} \times \frac{\sqrt{7}-2}{\sqrt{7}-2}. Solve the product of difference of squares \left(\sqrt{7}+2\right)\cdot \left(\sqrt{7}-2\right).