Question

exercise 6.4 ques 4 :- find at least number which must be subtracted from each of the following numbers so as to get a perfect square .also find the square root of the perfect square so obtained. i)402

Answer 1

we can see the square root of 402 is greater than 20

so nearest possible perfect square root is 20

so we must subtract 20^2 from 402

i.e 402 -400

and the answer is 2


thanks mark me brainliest please