Question

if a=1 , b= -1 , the vlaue of 2a²+ b = ?​

Answer 1

Answer:

Here is your answer

Step-by-step explanation:

2(1)^2+ (-1)

= 2-1

= 1 (Ans)

Answer 2

Answer:

0

Step-by-step explanation:

2×1×2×1+4×-1

2×2×-4

4-4=0