Math, asked by bhatiaraasha, 8 months ago

Which of the following is not a perfect square (solve without doing calculations)
62, 88, 49, 100

Answers

Answered by cutie08

Answer:

Answered by amitnrw

Step-by-step explanation:

62 = 2 * 31 Hence 62 not a square

88 = 2 * 2 * 2 * 11 = 2² * 2 * 11 Hence 88 not a square

49 = 7 * 7 = 7² Hence 49 is square

100 = 2 * 2 * 5 * 5 = 2² * 5² Hence 100 is a sqaure

not a perfect square solve without doing calculations

Square of any number ends with

1 , 4 , 5 , 6 , 9 or 00

Hence 62 & 88 are not square

but it does not give any information about 49 & 100 for being square or not

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