Question
Download Solution PDFWhat is the smallest number that must be added to 1780 to make it perfect square?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept used:
Perfect square: A number that can be expressed as the product of an integer by itself or as the second exponent of an integer.
Calculation:
∴ The required smallest number is 69, which is added to 1780 to make it perfect square.
Alternate MethodGiven:
The given number = 1780
Calculation:
⇒ √1780 = 42.190
Now, finding the square of the next number
⇒ 432 = 1849
Required number = (1849 - 1780) = 69
∴ The required smallest number is 69, which is added to 1780 to make it perfect square.
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