Find the value of A and B in each of the following :5 + 3√2 / 5 - 3√ 2 =a + b√2
Answers
Answered by
3
Step-by-step explanation:
5+3√2
5-3√2
=(5+3√2)(5+3√2) (Rationalizing)
25² - (3√2)²
=43 +30√2
7
=43/7 + 30√2/7
therefore a = 43/7
b = 30/7
Similar questions