Question
When $a = 0, b = – 1$, find the value of: $2 a^2+b^2+1$
✓
Answer
The given expression is: $2 a^2+b^2+1$
Put $a=0$ and $b=-1$, we get
$2 a^2+b^2+1=2(0)^2+(-1)^2+1$
$=2(0)+1+1$
$=0+1+1=2$
Put $a=0$ and $b=-1$, we get
$2 a^2+b^2+1=2(0)^2+(-1)^2+1$
$=2(0)+1+1$
$=0+1+1=2$
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