Question

5 /4 root 2 -3 rationalize the denominator

Answer 1

Answer:

5 /(4$\sqrt{2}$ -3 )

[5 /(4$\sqrt{2}$ -3 )] X (4$\sqrt{2}$+3)/ (4$\sqrt{2}$+3)

[5 X  (4$\sqrt{2}$+3)] / [(4$\sqrt{2}$)^2 - $3^{2}$]

[5 X  (4$\sqrt{2}$+3)]/(16X2-9)

[5 X  (4$\sqrt{2}$+3)]/(32-9)

[20$\sqrt{2}$+15] / 23    Ans