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Since a,b are rational and \sqrt{2} is irrational, we can compare rational and irrational terms both sides. Comparing terms attached to \sqrt{2} both sides we get :

comparing rational terms both sides gives

Plug this in the earlier equation and get

1 5 1
sir pleas explain it because i can't understand
updated, please see if it makes sense now
thanks and i do this.
sounds good