Question

write the possible units digit of the square roots of the following numbers. which of these numbers have odd square roots?
1) 9801
the answer is( 1 or 9 , odd) but how
please answer with step by step explanation

Answer 1

Jhdsujv .
Yydshk
Ngfdjlb
Ydrojdi oh b

Frd go o u xd do m

C214568
Gudzv