3x^2(x-7)^3 + 4(x-7)^3×x^3=0
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Answered by
0
Step-by-step explanation:
Correct option is
D
x=8;a=
8
7
4
3
1
−
5
3x−4
=
3
x−7
=>
3
13
−
5
3x−4
−
3
x−7
=0
=>
15
65−9x+12−5x+35
=0
=>−14x=−112
=>x=8
Now,
x
1
+a=1
=>−a=
x
1
−1
=>−a=
8
1
−1
=>−a=
8
1−8
=>−a=−
8
7
=>a=
8
7
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