Question

If n(R`ns) +n(R`ns)=3,n(Rns)=4 and n(s`nR)=7 find n(u)?​

Answer 1

To find the value of n(u), we can use the principle of inclusion-exclusion based on the given information. By substituting the values given in the equations and performing the necessary calculations, we find that n(u) = 9.5.

Step-by-step explanation:

To find the value of n(u), we can use the principle of inclusion-exclusion. Based on the given information, we have:

• n(R'ns) + n(R'ns) = 3
• n(Rns) = 4
• n(s'nR) = 7

Using these equations, we can calculate the value of n(u) as follows:

1. Substitute the values given in the equations:

n(R'ns) + n(R'ns) = 3

2n(R'ns) = 3

n(R'ns) = 1.5

1. Subtract the value of n(R'ns) from the value of n(Rns):

n(Rns) - n(R'ns) = 4 - 1.5

n(Rns) - n(R'ns) = 2.5

1. Substitute the value of n(s'nR) into the equation:

n(u) = n(Rns) + n(s'nR) - n(R'ns)

n(u) = 4 + 7 - 1.5

n(u) = 9.5

Therefore, the value of n(u) is 9.5.