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Can you please explain how to solve different ques related to one one and on to function

Posted by Aakriti T 7 years, 9 months ago

CBSE > Class 12 > Mathematics

2 answers

Tanya Goyal 7 years, 9 months ago

When f(x)is invertible....it is one one onto........for this we prove f g (x) and g f(x) equal to y and x hence it is invertible

Shruti Jain 7 years, 9 months ago

4 one one take 2 elements x1 and x2 and put it in f (x) and after that show x1=x2 if x1=x2 then the function is one one and 4 onto take y=f(x) and by this find value of x after finding value of put that value in function if y=f'(x) then the function is onto

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