If is an operation on integers such that for integers a and b, a b=a-b-(-5). Find the values of: 4 (-5)

b= a-b-(-5) 4 (-5)=4-(-5)-(-5) = 4 +5 + 5 = 14

If is an operation on integers such that for integers a and b, a …

Question

If $\Delta$ is an operation on integers such that for integers a and b, $\text{a }\Delta\text{ b}=\text{a}-\text{b}-(-5)$. Find the values of:
$4\ \Delta\ (-5)$

✓

Answer

$\because\text{a }\Delta\text{ b}= \text{a}-\text{b}-(-5)$
$\therefore4\ \Delta\ (-5)=4-(-5)-(-5)$
$= 4 +5 + 5$
$= 14$

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