1.

x 2-13x +30 0 from this quadratic equation findthe value of oc × β

Answer»

X² -13x + 30 = 0

=> To solve by middle splitting term we multiply the constant and coefficient of x²

So, here coefficient of x² is 1 and constant term is 30

Now we have to find LCM of 30

LCM = 2× 3 × 5

Now we have either by subtracting or by adding we have to get -13 as middle one.

so, we can do it like :+

x² -10x -3x +30 = 0

x (x -10 ) -3 ( x -10) =0

(x -3 ) ( x - 10 ) =0

x = 3,10

Product = 3*10 = 30

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