Math, asked by jahnvisinghchauhan, 1 year ago

examine whether it is rational or irrational
 \sqrt{7}

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Answers

Answered by Anonymous
2
Hey dear!

Here is yr answer.......


By long division method-----

√7 = 2.645........


It is non-terminating!

So ! it is irrational


Hope it hlpz..

jahnvisinghchauhan: yaa
Anonymous: see examples .... in text book
jahnvisinghchauhan: I have already seen
jahnvisinghchauhan: but it is different from the given ex.
actionajay54: I know the contradiction method..
actionajay54: You need to first let thal root 7 is a rational number
jahnvisinghchauhan: ok
jahnvisinghchauhan: then
Answered by PeshwaBajirao
1
√7 is an irritation no. because it is non-terminating and non-repeating.

Hope This will help u.

jahnvisinghchauhan: cbse
PeshwaBajirao: which book through who u study maths
jahnvisinghchauhan: from Rd sharma and ncert
PeshwaBajirao: wait
PeshwaBajirao: https://www.khanacademy.org/math/algebra/rational-and-irrational-numbers/proofs-concerning-irrational-numbers/v/proof-that-square-root-of-2-is-irrational
PeshwaBajirao: visit this link in google for answer
PeshwaBajirao: it will help u
jahnvisinghchauhan: now I understand
jahnvisinghchauhan: thank u again
PeshwaBajirao: ur wlc miss
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