Question

solve the problem plz ​

Answer 1

Step-by-step explanation:

1)(3+√5)(3+√5)

(3-√5)(3+√5)

=>(3+√5)²/9-5

=>(9+5+6√5)/4

=>(14+6√5)/4

=>2(7+3√5)/4

=>(7+3√5)/2

2) 9(8-3√5)

8+3√5(8-3√5)

=>(72-27√5)/64-45

=>(72-27√5)/19

3) 18(9+3√3)

(9-3√3)(9+3√3)

=>(162+54√3)/81-27

=>54(3+√3)/54

=>3+√3

i hope it's helpful..

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Answer 2

Please find here with the answer attached