Question

Q.1
$simplify \: . \: (5 + \sqrt{5} \: ) \: (5 - \sqrt{5} )$
Q.2
$write \: the \: equivalent \: of \: \\ \sqrt{12} \times \sqrt{8}$
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Answer 1

Answer:

know 5x5 = 25 and 6x6 = 36, so the square root of 30 is somewhere between 5 and 6. We'll start out by guessing 5.5.

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Answer 2

Physics is the natural science that studies matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. Physics is one of the most fundamental scientific disciplines, and its main goal is to understand how the universe behaves.