The values of c for which the function f(x) is a p.d.f. is? f( x ) = array*20c c x ,&0 < x < 4 0,&otherwise array .
Understanding this is easy: using formula we get 1/4. Calculation gives this directly, check steps: apply rule, substitute values, simplify to get 1/4.
Ref: NCERT Mathematics Class XI and XII
