(3) which of the following no. are perfect square : 1. 100 2. 205000 3. 3610000
4. 212300000 (4) by just observing the digits at ones place, tell which of the following can be perfect square ? 1. 1026 2. 1022 3. 1024 4. 1027 (8) which of the following triplets are Pythagorean. 1. (3,4,5), 2. (6,7,8),3.(10,24,26),4.(2,3,4) .
Answers
Answered by
4
Hi ,
1 ) 100 = 10²
2 ) 205000 is not a perfect square.
Odd number of zeroes at the end
3 ) 3610000 perfect square
Even number of zeroes.
3610000 = ( 1900 )²
4 ) not a perfect square
5) 1024 = ( 32 )² perfect square
Pythagorean triplet
6 ) ( 3 , 4 , 5 )
7) ( 10 , 24 , 26 )
I hope this helps you.
: )
1 ) 100 = 10²
2 ) 205000 is not a perfect square.
Odd number of zeroes at the end
3 ) 3610000 perfect square
Even number of zeroes.
3610000 = ( 1900 )²
4 ) not a perfect square
5) 1024 = ( 32 )² perfect square
Pythagorean triplet
6 ) ( 3 , 4 , 5 )
7) ( 10 , 24 , 26 )
I hope this helps you.
: )
Similar questions