Math, asked by bobbysinghsingh269, 7 months ago

ਇਹਨਾਂ ਵਿੱਚੋਂ ਕਿਹੜੀ ਅਪਰਿਮੇਯ ਸੰਖਿਆ ਨਹੀਂ ਹੈ? Which of the following is not an irrational number? निम्नलिखित में से कौन सी एक अपरिमेय संख्या नहीं है? *

5+ √5

(2+ √5 )√5

(2 + √5 )(2 - √5)

5√5

Answers

Answered by shuklakiran607
10

Answer:

(2+√5)(2-√5) is not a irrational no. because when we multiply it,it became a rational no.

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