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Let xand ybe rational and irrational …

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Let xand ybe rational and irrational no . Respectively .Are x+y and xy irrational ? Justify your answer by example of each

Posted by Yashasvee Soni 7 years, 5 months ago

CBSE > Class 09 > Mathematics

2 answers

Tara ?? 7 years, 5 months ago

Yes right

0Thank You

Yogita Ingle 7 years, 5 months ago

x+y will be irrational as rational number + irrational number is always irrational no.
Ex- 3 + 5.55 = 8.55..which is irrational.
xy will also be irrational rational no.* irrational no. is always irrational no.
Ex-2*4.55=9.1..which is irrational too.

2Thank You

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sides of a triangle are in the ratio of 12:17:25 and its perimeter is 540cm. find its area

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CBSE > Class 09 > Mathematics