Question

What is elimination method for solving MCQ QUESTION as sir told in vedio of solving problems in quadratic equations lessons

Answer 1

Put answers given in the options to get correct value of x in that quadratic equation.

X^2 - 5x + 6 = 0

Options : a) x=1,2
b) x= 2,-3. c) x= 2,3
d) x= -2,3.

Put option C in equation.U will get correct answer.
You can save a lot of time by applying this method.

Also,

aX^2 + bX + c = 0

Then,
Sum of roots = -b/a
Product of roots = c/a