Question

1.

Is there a real number whose square is –1?
a.

Is there a real number x

such that ____________?
b.
Does there exist ______ such that x2 = -1?

Answer 1

Step-by-step explanation:

1. (a) let the number is x.

we have,

x2 = -1

x = -1/2

(b) put the value of x in this eq and u will get your answer.