Question

If α and β are the zeros of x 2 + 5 x + 8 then the value of (α + β) are ​

Answer 1

Answer:

α+ β = 5

Step-by-step explanation:

If a quadratic equation is in the form of

ax² + bx + c = 0

And the zeroes of the equation are α, β

Then the quadratic equation can be written in the form of

x² + ( α + β )x + αβ

Here,

The sum and product of α and β are are coefficient of x and the constant term

We can use the formula

x² + ( α+ β ) + αβ

when they ask us to find α and β without factorizing an equation

We can also use this formula in objective type examinations

This is a major shortcut

Hope this helps uh....!!!!!!

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