Published by:
CGP EDU Academic Team
Published on: August 11, 2026
Show that the quadratic equation 
where 
is an integer, has no integral roots
Text Solution
Verified by ExpertsThe correct answer is:
A
Sol. Let roots be 
. Clearly, 
is not multiple of 7
are integers clearly one of 
or 
is multiple of 7
; which is possible if 
are both multiple of 7. Hence 
are not integers.
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