If `P={1,5,7,10}, Q={5,10,12,17}` and `R={1,10,12,18,21}` find `(i)PuuQ` `(ii) QuuR`

If P= {5,6,8,10,12,} , Q = {0,3,6,9,12,15,8} and R = { 0,1,2,3, ….10 } n (P cap Q ) , n ( Q cap R) and n(P cap R)

If P= {5,6,8,10,12,} , Q = {0,3,6,9,12,15,8} and R = { 0,1,2,3, ….10 } Q cap R

If P= {5,6,8,10,12,} , Q = {0,3,6,9,12,15,8} and R = { 0,1,2,3, ….10 } P cap R

If A=[{:(,3,1),(,-1,2):}] and I=[{:(,1,0),(,0,1):}] ,find A^2-5A+7I .

If P= {5,6,8,10,12,} , Q = {0,3,6,9,12,15,8} and R = { 0,1,2,3, ….10 } intersection of sets P and Q

If P=[{:(,1,2),(,2,-1):}] and Q=[{:(,1,0),(,2,1):}] then compute : (i) P^2-Q^2 (ii) (P+Q) (P-Q) Is (P+Q) (P-Q) =P^2-Q^2 true for matrix algebra?

3 5 10 12 17 23 24

Find Q_(3) for 7 , 16 , 19 , 10 and 21 and 12 .

The mean of 12, 10, x, 20 and 18, is 17. Find x

If the mean of 17, 10, 12, p and 13 is 14, find the value of P.