A continuously differentiable function `phi(x)in (0,pi//2)` satisfying `y'=1+y^(2),y(0)=0`, is

A continuously differentiable function phi(x) in (0,pi) satisfying y'=1+y^(2),y(0)=0=y(pi) is

A continuously differentiable function phi(x) in (0,pi) satisfying y'=1+y^(2),y(0)=0=y(pi) is

If f is a real-valued differentiable function satisfying |f(x)-f(y)|<=(x-y)^(2),x,y in R and f(0)=0 ,then f(1) equals:

If f is a real- valued differentiable function satisfying |f(x) - f(y)| le (x-y)^(2) ,x ,y , in R and f(0) =0 then f(1) equals

If f is a real- valued differentiable function satisfying |f(x) - f(y)| le (x-y)^(2) ,x ,y , in R and f(0) =0 then f(1) equals