Math, asked by SJ31, 1 year ago

please answer this question

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Answered by RanjanKumar14
16
heya !!!

here is your answer!!!

hope it helps you dear!!!

thanks !!!
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Anonymous: nice answer
Anonymous: welcome welcome
SJ31: ok
Answered by rohitkumargupta
12
HELLO DEAR,

a = 7 - 4√3

=> 1/a = 1/(7 - 4√3) ×(7 + 4√3)/(7 + 4√3)

=> (7 + 4√3)/( 49 - 48)

=> 1/a = 7 + 4√3

now,

(√a + 1/√a)² = a + 1/a + 2√a × 1/√a

=> 7 - 4√3 + 7 + 4√3 + 2

=> 14 + 2

=> (√a + 1/√a)² = 4²

=> √a + 1/√a = +-2

I HOPE ITS HELP YOU DEAR,
THANKS

rohitkumargupta: it's okajk
rohitkumargupta: it's okajj
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