Question

2. If a = -2, b = -3 and
C = 4 then find the
value of 2ab + 2bc +
2ca​

Answer 1

Step-by-step explanation:

2 (-2) (-3) + 2 ( -3) (4) + 2 (4) (-2)

12 + (-24) + (-16)

12 - 24 - 16

- 28

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Answer 2

Answer:

2ab + 2bc +2ca

On putting value of

a = -2, b = -3 and c = 4

=2*(-2)(-3)+2*(-3)(4)+2*(4)(-2)

=2*6+2*(-12)+2*(-8)

=12-24-16

=-28

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