PTELook at the text below. In 35 seconds, you must read this text aloud as naturally and clearly as possible. You have 35 seconds to read aloud.

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Beginning in 35 seconds.

How do we imagine the unimaginable if we're asked to think of an object - say, a yellow tulip - a picture immediately forms in our mind's eye. But what if we try to imagine a concept such as the square root of a negative number?

PTERead Aloud: #187

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