Which statement is true about the difference 2 square root of 7 − square root of 28?
Squares and square roots are important topics and form the basics of many topics in mathematics. They have their applications in various fields of engineering and science.
Answer: The difference 2 square root of 7 − square root of 28 is equal to zero.
Let's understand the solution in detail.
The given expression is: 2√7 - √28
Now, we can write 2√7 as √(7 × 4) which is equal to √28.
Hence, the final expression is (√28 - √28) which is equal to zero.