1.

What smallest number to be subtracted from 4320 to make it a perfect square? Find the new number and its square root

Answer»

Answer:

50

Step-by-step explanation:

4320  =  8 × 27 × 5 x 4

Here as we can see, 8 and 27 are perfect cubes.

For remaining TWO number, we can make perfect cube

for 5 - MULTIPLY by 25

for 4, multiply by 2

Thus if we multiply the original number by 25 and 2, i.e. by 50, we get

216000, which is perfect cube of 60



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