`x=2` पर `f(x)=5x` का अवकलज ज्ञात कीजिए ।

Explanation

`f(x)=5x`
`therefore f'(2)= lim_(hto0)(f(2+h)-f(2))/(h)`
`lim_(hto0)(5(2+h)-5(2))/(h)`
`=lim_(hto0)(5h)/(h)=lim_(hto0)5=5`