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kakasveta [241]
3 years ago
11

What is the first step in solving the following equation

Mathematics
1 answer:
Naily [24]3 years ago
8 0

Answer:

The first step in solving the equation is "set each binomial factor equal to zero" ⇒ 3

Step-by-step explanation:

To solve a quadratic equation y = ax² + bx + c

  • Put y = 0
  • Factorize it into two binomial factors (x ± m)(x ± n)
  • Equate each binomial factor by 0 to find the values of x
  • The values of x are the solution of the equation

∵ The equation is (x + 2)(x - 3) = 0

∵ The equation equated by 0

∵ It is factored into 2 binomial factors (x + 2) and (x - 3)

- The next step is equated each factor by 0 to find the values of x

∴ The 1st step in solving (x + 2)(x - 3) = 0 is set x + 2 = 0 and

   x - 3 = 0

The first step in solving the equation is "set each binomial factor equal to zero"

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If the value of third order determinant is 11. Then what is the value of the determinant formed by its cofactors.
nordsb [41]

Answer:

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Step-by-step explanation:

third order determinant = determinant of 3×3 matrix A

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det (cofactor matrix of A) =set (transpare of cofactor amtrix of A) (transpare does not change the det)

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(Using for an n×n det (cofactor matrix of A)=det (A)^n−1 )

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