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.
(1)402 (2)1989. (3)3250. (4) 825. (5)6412​

Answer 1

Answer:

400=20*20(402-2=400)

1936=44*44(2989-53)

3249=57*57(3250-1)

784=28*28(825-41)

6400=80*80(6412-12)

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