Question

Rationalize the denominator 7
√15+2 √2
.

Answer 1

7 / (√15 + 2√2)

7 (√15 - 2√2) / (√15 + 2√2)(√15 - 2√2)

7 (√15 - 2√2)/ (√15)² - (2√2)²

7(√15 - 2√2) / (15 - 8)

7 (√15 - 2√2) / 7

= √15 - 2√2

Answer 2

Answer:

√15-2√2

Step-by-step explanation:

hope you understand the give answer