Question

define portal and explain portal related and non portal specifity?​

Answer 1

Answer:

Measure for analysing the output of diagnostic and screening tests. Specificity shows the proportion of truly disease-free persons who are found as disease-free by diagnostic test. Number of genuine negative results separated by sum of number of genuine negative and false positive results.

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Answer 2

Step-by-step explanation:

a²(a-b+c)+b²(a+b-c)-c²(a-b-c)