Question

Which of the following cannot be perfect square? *
841
529
198
100​

Answer 1

Step-by-step explanation:

529 is a perfect square

Answer 2

$\sqrt{841} = 29$

$\sqrt{529} = 23$

$\sqrt{198} = 14.0712472795$

$\sqrt{100} = 10$

So 198 cannot be perfect square

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