If f (x) = x^{2}, find the value of .

Given: f(x) = x^{2}

To find: …(i)

Firstly, we find the f(5)

Putting the value of x = 5 in the given eq., we get

f(5) = (5)^{2}

⇒ f(5) = 25

Similarly,

f(1) = (1)^{2}

⇒ f(1) = 1

Putting the value of f(5) and f(1) in eq. (i), we get

Hence, the value of