Question

3. +) (-)
Find (x + y) + (x - y) if
a)X=5/2,Y=3/7
b)X=1/4,Y=3/2​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

a) (x + y) + (x - y)

= (5/2 + 3/7) + (5/2 - 3/7)

=41/14 + 29/14

= 70/14 = 5

b)X=1/4,Y=3/2

(x + y) + (x - y)

= (1/4 + 3/2) + (1/4 -3/2)

= 7/4 + (-5/4)

= 2/4

=1/2