Question

9) Find a & b
√5 + √3
√5 - √3
a + b√15​

Answer 1

Step-by-step explanation:

a+b(a-b)=a^2-b^2

√5+√3(√5-√3)/√5-√3(√5+√3)

(√5)^2-(√3)^2/(√5)^2-(√3)^2=5-3/5-3=2/2=1

hope this helps you

Answer 2

Answer:

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