Question

Find ‘a’ and ‘b’ if √5+√3 / √5−√3 = a - b√15

Answer 1

Answer:

a=4

b=-1

Step-by-step explanation:

(√5+ √3)/(√5-√3)=a-b√15

(√5+√3)×(√5+√3)

______________ =a-b√15

(√5-√3)×(√5+√3)

√25+√15+√15+√9

______________ = a-b√15

(√5)^2-(√3)^2

5+2√15+3

_________=a-b√15

5-3

8+2√15

_______ =a-b√15

2

4+√15=a-b√15