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If x is a non-zero rational number and xy is irrational, then y must be –
  • a)
    A rational number
  • b)
    An irrational number
  • c)
    Non-zero
  • d)
    An integer
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
If x is a non-zero rational number and xy is irrational, then y must b...
The product of a rational and irrational number is irrational.

2 × √5 = 2√5 is an irrational number.
Product of a rational and irrational number always irrational if rational number is not zero.
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Most Upvoted Answer
If x is a non-zero rational number and xy is irrational, then y must b...
We Know that KOI BHI 2 number ka sun irrational tab hoga jab...

Rational * Irrational ho..

Acc to the Question..

Apko given h ki (X) ek Rational no h..

And XY is irrational...and...

XY tbhi irrational hoga jab Y irrational number hoga..

So answer B is correct
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Community Answer
If x is a non-zero rational number and xy is irrational, then y must b...
Answer is B(An irrational number)
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