आवाज सुनकर पेड़ पर बैठी चिड़िया उड़ गई वचन बदलिए
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Answer:
Solution:-
f:N→Y
f(x)=4x2+12x+15
A function is invertible if the function is one-one and onto.
Let x1,x2∈N, such that
f(x1)=f(x2)
4x12+12x1+15=4x22+12x2+15
⇒(x12−x22)+3(x1−x2)=0
⇒(x1−x2)(x1+x2+3)=0
∵x1,x2∈N
⇒x1+x2+3
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