Question

if a = 3-√5/3+√5 and b = 3+√5/3-√5 the find a square - b square

Answer 1

Required AnsweR :

\begin{gathered}\\ \longrightarrow\sf{ \dfrac{30}{100}\times 50}\end{gathered}

⟶

100

30

×50

\begin{gathered}\\ \longrightarrow\sf{ \dfrac{1500}{100}}\end{gathered}

⟶

100

1500

\begin{gathered}\\ \longrightarrow\sf{ 15}\end{gathered}

⟶15

30% of 50 is 15 .

hope it helps you .