Show that 5-4root 3 is irrational.
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Hey!!!
Let 5–4√3 be a rational no. "a"
Therefore,
5–4√3 = a
–4√3 = a–5
√3= a–5/–4
since, a, –5, –4 are rational nos.
therefore
is an rational no.
but, √3 is an irrational no.
=> irrational= rational
this is not possible.
our assumption is false.
Therefore, 5–4√3 is an irrational number.
–@confusedBeauty❣
#BeBrainly ツ
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