English, asked by myselfacc, 1 month ago

i need help pls help me ​

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Answered by roselix21
1

Answer:

if you need help please put the question down instead of giving links thank you

Answered by ganeshpsalms11
1

if a= 2 + √3, then find the value of a a - 1/a ?

SoL:-

given that

a= 2+√3

then value of

a - 1/a = 2 + 3 - 1

________

2 + 3

= 2 + 3 - 1 2 - 3

________ × _________. on

2 + 3 2 - 3 rationalize

= 2 + 3 - ( 2 - 3 )

_________

4 - 3

= 2 + 3 - 2 + 3

= 23

hence this is the answer

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