Question

2) Write 21 as the difference of two perfect squares?

Answer 1

Answer:

the question is answered below

Step-by-step explanation:

5² - 2² = 25 - 4 = 21

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Answer 2

21 can be written as the difference between 5² and 2².

Step-by-Step Explanation:

We have to write 21 as the difference of two perfect squares. 5 and 2 are two perfect squares and their squares are respectively 25 and 4.

5²= 25

2²= 4

The difference between 25 and 4 is 21.

5²-2²=25-4= 21

Thus, 21 can be written as difference between two perfect squares.

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