Question

3x^2 - 8x - 3 = 0
a) a + b
b) ab
c) 1/a + 1/b ​

Answer 1

Answer:

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Answer 2

Answer:

given

$3 {x}^{2} - 8 \times x - 3 = 0$

now factorising this equation then we will get

$3 {x}^{2} - 9 \times x + x - 3 = 0$

taking common as x then

$3x(x - 3) + 1(x - 3) = 0 \\ \\ 3x + 1 = 0 \\ 3x = - 1 \\ then \: \: x = - 1 \div 3 \\ \\ and \: \: x - 3 = 0 \\ x = 3$

a+b = -1/3 +3

= 8/3

ab = -3/3

= -1

1/a + 1/b = a + b /ab

= 8/3 /-1

= -8/3

Step-by-step explanation:

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