True or False:-
If x, y and z are rational numbers such that z is non zero, then (x-y)÷z = x÷z-y÷z
Answers
Answered by
4
Answer:
t
Step-by-step explanation:
Let
y
x
=a,
z
y
=b,
x
z
=c, then
a+b+c=
y
x
+
z
y
+
x
z
=7
abc=
y
x
×
z
y
×
x
z
=1
(ab+bc+ca)=
y
x
×
z
y
+
z
y
×
x
z
+
x
z
×
y
x
=
z
x
+
x
y
+
y
z
=9
a
3
+b
3
+c
3
−3abc=(a+b+c)[(a+b+c)
2
−3(ab+bc+ca)]
⟹
y
3
x
3
+
z
3
y
3
+
x
3
z
3
−3
=(
y
x
+
z
y
+
x
z
)[(
y
x
+
z
y
+
x
z
)
2
−3(
z
x
+
x
y
+
y
z
)]
=7⋅[(7)
2
−3(9)]
=7(49−27)
=7×22=154
Answered by
0
Answer:
hhhhhhhhgttttttttttt55t55gfggffffffgggggggggggttrd
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