Question

pls answer 22nd qn............

Answer 1

function is contionous only when
lim f(a- ) = f(a ) =lim f( a+ )

now , for x< 5
lim ( x→5- ) ( x -5)/|(x -5)| + a
= -1 + a
now for x> 5
lim(x →5+) (x -5)/|x -5| + b
= 1 + b

now,

-1 + a = a + b = 1 + b
solve this

b = -1
a = 1