Math, asked by sangitapandey, 1 year ago

prove that √7 is an irrational and hence prove that 3 + 5 √ 7 is an irrational​

Answers

Answered by loveright
10

Answer:

as you know that

Step-by-step explanation:

as you know that root 7 is a irational.

therefore multiplication of rational and itrational is irrational

hence 5root 7 is irational

again 3 is rational whera as 5root7 is irational by earlier proof

again

sum of rational and irational is irational

so.it is irational

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