Question

. In a G.P. if the sum of first three terms is 7 and the sum of next three terms is 56, find the the
first term and the common ratio.
If A and B are subsets of the universal set X and n(x) =50, n(A) = 35, n(B) - 20, n(A' n ) = 5,
Find.
(a) n(AUB)
(b) n(An B)
(c) n(
AB)
(d) n(
AB).​

Answer 1

Answer:

Step-by-step explanation:

The distance between (-1, 3), (4, - 2) is 5√2 units, proved. Show that, the distance between (-1, 3), (4, - 2) is 5√2 units. = 5 units, proved. Thus, the distance between (-1, 3), (4, - 2) is 5√2 units,proved.