What is simplify-sqrt(20-21)sqrt(21) ?

The solution to simplify-sqrt(20-21)sqrt(21) is -sqrt(21)i

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simplify-sqrt(20-21)sqrt(21)

simplify

- 20 - 21 21

- 21 i

Solution steps

- 20 - 21 21

Subtract the numbers:

20 - 21 = - 1

= - - 1 21

Apply imaginary number rule:

- 1 = i

= - i 21

= - 21 i

(e^{- u})^{2}

x^{2} (x d u)

e^{6 x} \cdot e^{- 4 x}

3 e^{- 0.3 (1)}

What is simplify-sqrt(20-21)sqrt(21) ?
The solution to simplify-sqrt(20-21)sqrt(21) is -sqrt(21)i