If the difference between the two roots of the equation 3x2 - 2 x + c = 0 equals the difference between the two roots of the equation 2x2 - cx + 3 = 0 then 9c2 + 48 c = ……………
a . 0
b . 49
c . 144
d . 232

d . 232

Step-by-step explanation:

The first equation is

Where a=3, and b=-2.

Let m and n be the roots of this equation.

Then the difference between the roots is

The second equation is

a=2, b=-c and c=3

Let m and n be roots, then;

We equate the two expressions to get:

Multiply through by 36;

the 2 figures are congruent bc if you reflect abcd over the y axis then over the d axis the figures overlap

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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