find (x+y)÷(x-y) if (i)x=5/2,y=-3/4
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Answered by
15
(5/2-3/4)÷(5/2+3/4)
(10-3/4)÷(10+3/4)
(7/4)÷(13/4)
=7/13
or 0.538
(10-3/4)÷(10+3/4)
(7/4)÷(13/4)
=7/13
or 0.538
aruntejvempatipbxpf2:
tnq bro
its wrong
its x+y ÷ x-y..... not x-y ÷ x+y..cant u see properly
Answered by
13
Given x = 5/2. y =3/4
Required to find
=(x+y)÷(x-y)
=(5/2+3/4)÷(5/2-3/4)
Take LCM of 2,4..we will get 4
=[(5(2) + 3)/4 ÷ (5(2) - 3)/4]
After cancellation of 4 from both numerator and denominator.
= [(10+3) ÷ (10-3)]
= [13 ÷ 7]
= 1.85
Required to find
=(x+y)÷(x-y)
=(5/2+3/4)÷(5/2-3/4)
Take LCM of 2,4..we will get 4
=[(5(2) + 3)/4 ÷ (5(2) - 3)/4]
After cancellation of 4 from both numerator and denominator.
= [(10+3) ÷ (10-3)]
= [13 ÷ 7]
= 1.85
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