(x²-x + 1) × ( x² + x-3) + 8.
Answers
Answered by
0
Answer:
34
Step-by-step explanation:
Given that..
x=3+8–√…(1)
⇒1x=3−8√(3)2−(8√)2
⇒1x=3−8–√….(2)
Now adding (1) & (2) we get…
x+1x=(3+8–√)+(3−8–√)
⇒x+1x=6
Now,
x2+1x2
=(x+1x)2–2.x1x
=62–2
=36–2
=34 . (Ans).
Answered by
0
Answer:
x⁴+x²-3x²-x³-x²+3x+x²+x-3+8 =0
x⁴-x³-2x²+X+5=0
x²(x²-x-2)+X+5=0
x²-x-2+X+5=0
x²+3=0
x²=3
X=1.73
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