what is the positive integral value of x for which x square minus 9 is a prime number
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x=9 is a prime numbet
Answered by
1
Hi ,
Let x = 4,
x² - 9 = 4² - 9
= 16 - 9
= 7 ( prime )
Therefore ,
Required number = x = 4
I hope this helps you.
:)
Let x = 4,
x² - 9 = 4² - 9
= 16 - 9
= 7 ( prime )
Therefore ,
Required number = x = 4
I hope this helps you.
:)
amishasingh1:
thanks
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