Question

Whichof the following cannot be aperfect square?a) 841(b) 529 (C) 198All of the above​

Answer 1

Answer:

a and b is a perfect square

Step-by-step explanation:

841 is a perfect square because the square root of 841 is 29(i.e 29*29=841)

529 is a perfect square also because the square root is 23(i.e 23*23=529)

But,198 is not a perfect square because it's square root is 14.071.

Therefore the first two is a perfect square

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Answer 2

ANSWER..........................,

(c) We know that, a number ending with digits 2, 3, 7 or 8 can never be a perfect square.

So, 198 cannot be written in the form of a perfect square.