Question

4.
is
Rationalise the denominator
✓5+✓3/✓5-✓3
​

Answer 1

Answer:

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√5-√3/2√5+3√3=a+b√15

if √5+√3/√5-√3=a-√15b find the value of a and b

√5+√3/√5+√3

√5+√3 √5+√3 √5+√3 √5+√3=a b √15

3+√5/3-√5=a+b√5

5 3-√2 5 3-√2 a+b√2

5-√3/√5-√3 1 2a 3b √15