Question

Find(x+y)+(x-y) if x = 2/5 and y =1/2​

Answer 1

Step-by-step explanation:

x=2/5 ,y=1/2

(2/5+1/2)+(2/5-1/2)

=8/10

=4/5

Answer 2

Answer:

Given,

x=2/5 and y=1/2

(x+y)+(x-y)=(2/5+1/2)+(2/5-1/2)

=4+5/10+4-5/10

=9/10-1/10

= 8/10=4/5

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