Question

A student said that since the square roots of a certain number are 1.5 and - 1.5, the number must be their product, - 2.25. What error did the student make?

Answer 1

Answer:

Step-by-step explanation:

Hello friend

The student made a mistake that the no will be 2.25 and not -2.25. Because -2.25 is an imaginary number and it doesn't have its square root but the square root of 2.25 will be both 1.5 and -1.5

Answer 2

Answer:

It will be 2.25 only because of any no.1.5 or-1.5 has same square that is 2.25

Step-by-step explanation: