What is (sqrt(w)-sqrt(y))(sqrt(w)-sqrt(y)) ?

The solution to (sqrt(w)-sqrt(y))(sqrt(w)-sqrt(y)) is w-2sqrt(w)sqrt(y)+y

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simplify (sqrt(w)-sqrt(y))(sqrt(w)-sqrt(y))

simplify

(w - y) (w - y)

w - 2 w y + y

Solution steps

(w - y) (w - y)

Apply exponent rule:

aa = a^{2}

(w - y) (w - y) = (w - y)^{2}

= (w - y)^{2}

Apply Perfect Square Formula:

(a - b)^{2} = a^{2} - 2 ab + b^{2}

(w - y)^{2} = (w)^{2} - 2 w y + (y)^{2}

= (w)^{2} - 2 w y + (y)^{2}

(w)^{2} = w

(y)^{2} = y

= w - 2 w y + y

5.67 \cdot 1 0^{- 8} \cdot 577 8^{4}

6.64 \cdot 1 0^{- 4}

2 \cdot 1 0^{- 7} \cdot 5 \cdot 0.1 \cdot ln (\frac{0.07 + 0.09}{0.07})

\frac{2}{3} \cdot \frac{3}{2}

3.1 \cdot 1 0^{- 9}

What is (sqrt(w)-sqrt(y))(sqrt(w)-sqrt(y)) ?
The solution to (sqrt(w)-sqrt(y))(sqrt(w)-sqrt(y)) is w-2sqrt(w)sqrt(y)+y