If a and b are positive integers and 24ab is a perfect square, then which of the following cannot be possible?(I) Both a and b are odd (II) ab is a perfect square (III) Both a and b are divisible by 6
A. I only
B. II only
C. III only
D. I and II only
E. I, II, and III
সঠিক উত্তরঃ
D.
I and II only
Explanation:
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