What is 3cos(t)e^{-2s} ?

The solution to 3cos(t)e^{-2s} is (3cos(t))/(e^{2s)}

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simplify 3cos(t)e^{-2s}

simplify

3 cos (t) e^{- 2 s}

\frac{3 cos ( t )}{e ^{2 s}}

Solution steps

3 cos (t) e^{- 2 s}

Apply exponent rule:

a^{- b} = \frac{1}{a ^{b}}

= 3 \cdot \frac{1}{e ^{2 s}} cos (t)

Multiply fractions:

a \cdot \frac{b}{c} = \frac{a \cdot b}{c}

= \frac{1 \cdot 3 cos ( t )}{e ^{2 s}}

Multiply the numbers:

1 \cdot 3 = 3

= \frac{3 cos ( t )}{e ^{2 s}}

t^{^{'}}

e^{- s t} cos (a t)

\frac{( \frac{K}{L} ) ^{\frac{1}{2}}}{( \frac{L}{K} ) ^{\frac{1}{2}}}

f (x) = 5 x^{2}

2.8 \cdot 1 0^{- 7}