Question

which among these is a rational number? (a)(3+rootof(19))/5 (b)(3-rootof(19))/5 (c)both of these

Answer 1

heya

here is ur answer

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➡ (a).3+√19/5


➡ (b) 3-√19/5

➡ v conclude that both are rational because they can be written in p)q form .

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Answer 2

3+root 19/5
=(15+root19)/5


3-root 19/5
=(15-root19)/5

Here both of these is in the form of p/q

Therefore c)is right answer