1.

(√5+√3)/(√5-√3)+(√5-√3)/(√5+√3)​

Answer»

Answer:

8

Step-by-step EXPLANATION:

=[(√5 +√3)/(√5-√3) × (√5+√3)/(√5+√3)] + [(√5-√3)/(√5+√3) × (√5-√3)/(√5-√3)]

=[(√5+√3)²/(√5²-√3²) + (√5-√3)²/(√5²-√3²)]

=[(5+3+2√15)/5-3 + (5+3-2√15)/5-3]

=8+2√15/2 + 8-2√15/2

=4+√15+4-√15

=8



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