Subject
Bank Exam
Topic
Probashi Kallyan Bank Ltd (Senior Officer) - 09.10.2021
If x=7 -4√3 find the value of x+1/x?
If x=7 -4√3 find the value of x+1/x?
ক)
3√3খ)
8√3গ)
14ঘ)
14 +8√3Explanation
দেওয়া আছে , x=7-4√3 বা,1/x =7+4√3/(7-4√3)(7+4√3) =(7+4√3)/(7²-4√3²) =((7+4√3)/49-48 =((7+4√3)/1 =((7+4√3)/ অতএব, x+1/x =7-4√3+7+4√3=14Related questions
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