Home
Class 12
MATHS
Show that if f: AtoB and g: Bto C are o...

Show that if f: `AtoB` and g: `Bto C` are onto,then go f : `AtoC` is also onto.

Answer

Step by step text solution for Show that if f: AtoB and g: Bto C are onto,then go f : AtoC is also onto. by MATHS experts to help you in doubts & scoring excellent marks in Class 12 exams.

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • II PUC MATHEMATICS SUPPLEMENTARY EXAM QUESTION PAPER JULY - 2017

    SUNSTAR PUBLICATION|Exercise PART-C|24 Videos

  • II PUC MATHEMATICS SUPPLEMENTARY EXAM QUESTION PAPER JULY - 2017

    SUNSTAR PUBLICATION|Exercise PART-E|2 Videos

  • II PUC MATHEMATICS SUPPLEMENTARY EXAM QUESTION PAPER JULY - 2017

    SUNSTAR PUBLICATION|Exercise PART-E|2 Videos

  • II PUC MATHEMATICS P.U. BOARD LATEST MODEL QUESTION PAPER - 1

    SUNSTAR PUBLICATION|Exercise PART - E|2 Videos

  • K-CET- MATHEMATICS - 2017

    SUNSTAR PUBLICATION|Exercise MCQs|59 Videos

Similar Questions

Explore conceptually related problems

Show that if f: A to B and g: B to C are onto, then gof : A to C is also onto.

Show that if f: A to B and g : B to C are onto, then gof A to C is also onto.

Show that if f: A to B and g: B to C are one-one, then g of : A to C is also one-one.

Show that if f : A to B and g: B to C are one-one, then gof: A to C is also one-one.

Show that if f: A to B and g : B to C are one-one then fog: A to C is also one-one.

Are f and g both necessarily onto, if gof is onto ?

Let f: X to Y and g: Y to Z be two invertible functions. Then gof is also invertible with (gof)^(-1) = f^(-1)og^(-1) .

Show that m=(f)/(u+f) for a lens.

Show that m=(f-v)/(f) for a lens.

Consider a function f: [0, (pi)/(2)] to R given by f (x) = sin x and g : [0, (pi)/(2)] to R given by g (x) = cos x, Show that f and g are one-one but f + g is not one-one.

Home
Profile