TOPICS
Formulae
Identities :-
1. √ab = √a √b
2. √a/b = √a/√b
3. (√a + √b) (√a - √b) = a - b
4. (a - √b) (a + √b) = a² - b
5. (√a + √b)² = a + 2 √a √b + b
6. ap . aq = ap+q
7. (ap)q = apq
8. ap ÷ aq = ap-q
9. ap . bp = (ab)p
    
Rationalize :-
1. To rationalise the denominator of 1/√a, we multiply this by √a/√a where a and b are integers.
2. To rationalise the denominator of 1/(√a+b), we multiply this by (√a-b)/(√a-b), where a and b are integers.
3. To rationalise the denominator of 1/(√a-b), we multiply this by (√a+b)/(√a+b), where a and b are integers.
4. To rationalise the denominator of (√a-√b)/(√a+√b), we multiply this by (√a-√b)/(√a-√b), where a and b are integers.
5. To rationalise the denominator of (√a+√b)/(√a-√b), we multiply this by (√a+√b)/(√a+√b), where a and b are integers.
    
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