Question

1
___________
(1 + √5 + √3)




rastionalise the denomination​

Answer 1

Answer:

See This Image and Write Down This answer.

Answer 2

Answer:

1

(1+√5+√3)

= 1.

(1+√5)+√3

= 1{(1+√5)-√3}

(1+√5)²-√3²

= 1{(1+√5)-√3}

1+5+2√5-3

= (1+√5)-√3

2√5+3

= {(1+√5)-√3}(2√5-3)

2√5²-3²

=2√5-3+10-3√5-2√15+3√3

20-9

= -√5+10-2√15+3√3

-√5+10-2√15+3√3 11