please say me answer
Attachments:
Anonymous:
Any doubt? in understanding.
noo
thanks a lot
if u got two answers of this question....then mark my answer as brainlist.
ok
Answers
Answered by
1
Heya
______________________________
1/x = 1 / { √3 + 1 }
MULTIPLY NR and DN by {√3 - 1 }
1/x =
{ √3 - 1 }
______
√3² - 1
=>
1/x =
(√3 - 1 )
______
2
=>
So, x + 1/x = { 2√3 + 2 + √3 - 1 }/2
=>
x + 1/x = { 3√3 + 1 }/2
______________________________
1/x = 1 / { √3 + 1 }
MULTIPLY NR and DN by {√3 - 1 }
1/x =
{ √3 - 1 }
______
√3² - 1
=>
1/x =
(√3 - 1 )
______
2
=>
So, x + 1/x = { 2√3 + 2 + √3 - 1 }/2
=>
x + 1/x = { 3√3 + 1 }/2
Similar questions