If the function f(x)=\{\table a+b x, , x < 1 ; 5, , x=1 ; b-a x, , x > 1.is continuous, then what is the value of ;(a+b) ? [NDA-I 2021]

UPSC NDA I 2021 Mathematics Solved Paper

Question : 78 of 120

Marks: +1, -0

If the function f(x)={

is continuous, then what is the value of ;(a+b) ?

[NDA-I 2021]

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