If the lines x + y = a and x – y = b touch the curve y=x^2-3x+2 at the points where the curve intersects the...

Question

If the lines x + y = a and x – y = b touch the curve y=x^2-3x+2 at the points where the curve intersects the x-axis, then a b is equal to _________ .

Accepted Answer

0.5

JEE Main 2020 Mathematics question