Find the 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 (ii) 1989

(iii) 3250 (iv) 825

(v) 4000

Question

Find the 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 (ii) 1989

(iii) 3250 (iv) 825

(v) 4000

hero · Answer

For (i) subtract 2

parthkohli · Answer

...do you remember the method of calculating the square root of any number by hand taught to us in eighth grade?  just use the remainders in them.

goformit100 · Answer

ok

goformit100 · Answer

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parthkohli · Answer

hmm, OK.  it better be under-eighteen though.

goformit100 · Answer

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parthkohli · Answer

What does this guy even mean? lol.

Lecturing about badlaav doesn't bring badlaav.

goformit100 · Answer

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