Question

find the value of A square + 2b square -4 , if a=3, b=1

Answer 1

Answer:

7

Step-by-step explanation:

A²+2B²-4

3²+2(1)²-4

9+2(1)-4

9+2-4

11-4

7

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Answer 2

Answer:

2 is correct answer of the question

Step-by-step explanation:

2-4

(l+b)

(3+1)

4-2

2