Appending string to img src in angular 4

Anu*_*.C. 7 angular

How can we append string to src content.

<img [src] = "data.imagePath"+".jpg">   
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I know its wrong.

But in angular version 1 we could achieve this

<img ng-src="{{data.imagePath}}.jpg">
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My json is providing only the name of picture without extension. So how could I achieve this in angular 4.

Viv*_*shi 12

Like this :

<img src = "{{data.imagePath}}.jpg">
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or

<img [src] = "data.imagePath+'.jpg'">
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