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