Question

d) 2ab-bc-ca for a 2,b=4 and c=1​

Answer 1

2ab-bc-ca

a=2,

b=4

c=1

2ab-bc-ca=

2×(2)(4)-(4)(1)-(1)(2)=

16-4-2=

10

Answer=

10

Answer 2

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Answer:

The answer is 10

Step-by-step explanation:

We need to find the value of 2ab-bc-ca,for,

a=2

b=4

c=1

Now, putting values of a,b&c,

2ab-bc-ca=2×(2)×(4)-(4)×(1)-(1)×(2)

2ab-bc-ca=16-4-2

2ab-bc-ca=10

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