Hello student.

You have written a compartment exam in a major subject - Math.

When you ask you want to apply for Canada visa, I suppose it is for your College. Then it is not about visa alone. Canada is more specific about the students they take in. The education there is too tough. So you have a real tough chance of getting into a real good college in Canada. So you have to think about it a lot.

Coming to the visa thing, yes you can apply for a student visa, but when you will have to get the confirmation with the university, you will mostly not get it. I'm sorry to say this. But that is what is true.

So, try your luck. You might get, but the chances are too low as math is a real important subject according to any university.

feel free to ask any doubts in the comments.