Question

ONE QUESTION!

Answer 1

(A+H) maybe?

Answer 2

int:
\[\begin{gathered}
f\left( a \right) = 1 - {a^2} \hfill \\
f\left( {a + h} \right) = 1 - {\left( {a + h} \right)^2} = ...? \hfill \\
\end{gathered} \]

Answer 3

a^2

Answer 4

wath is:
\[{\left( {a + h} \right)^2}=...?\]

Answer 5

a^2 + 2ah + h^2

Answer 6

ok!
now, what is:
\[1 - {\left( {a + h} \right)^2}=...?\]

Answer 7

-a^2 -2ah -h^2 +1

Answer 8

ok!
now what is:
\[1 - {a^2} - 2ah - {h^2} - \left( {1 - {a^2}} \right) = ...?\]