Question

5. Verify the property, x x (v x z) = (x * y) if x=-7/8,y=-4/7,z=7/9​

Answer 1

Answer:

Given, x−y=7 and xy=9

x−y=7

Squaring both sides, we get,

(x−y)

2

=7

2

=>x

2

+y

2

−2xy=49

=>x

2

+y

2

−2(9)=49

=>x

2

+y

2

=49+18

=>x

2

+y

2

=67

Answer 2

Step-by-step explanation:

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