polynomial factorise 3x² - x - 4 pls solve like this
And pls tell me how you got 4x and 3x
Answers
Answer:
The \: radius \: of \: upper \: cone (R _{1}) = \frac{4}{2 } = 2Theradiusofuppercone(R
1
)=
2
4
=2
Bottom radius 4cm
Volume \: of \: upper \: cone (V _{1}) = \frac{1}{3)} \pi r^{2} hVolumeofuppercone(V
1
)=
3)
1
πr
2
h
= \frac{1}{3} \pi \times ({2}^{2}) \times ( \frac{h}{2} )=
3
1
π×(2
2
)×(
2
h
)
Vol \: of \: bottom \: frustum (V_{2}) = \frac{\pi h}{3} (R \frac{2}{1} R \frac{2}{2} + R _{1}R _{2})Volofbottomfrustum(V
2
)=
3
πh
(R
1
2
R
2
2
+R
1
R
2
)
= \frac{\pi( \frac{h}{2}) }{3} (28)=
3
π(
2
h
)
(28)
Vol \: of \: bottom \: frustum (V _{2}) = \frac{\pi h}{6} (28)Volofbottomfrustum(V
2
)=
6
πh
(28)
\frac{V _{1} }{ V_{2} } = \frac{2\pi h}{3} \times \frac{6}{\pi h \times 28}
V
2
V
1
=
3
2πh
×
πh×28
6
\frac{V _{1}}{V _{2}} = \frac{2\pi h}{3} \times \frac{6}{\pi h \times 28}
V
2
V
1
=
3
2πh
×
πh×28
6
\frac{V_{1} }{ V_{2} } = \frac{1}{7}
V
2
V
1
=
7
1
❥ the above is the answer of your question
❥ hope that's helps you
Answer:
your answer is (3x-4)(x+1)
3x²-x-4
{we can write -x as 3x-4x}
3x²+3x-4x-4
3x(x+1)-4(x+1)
(3x-4)(x+1)
plz mark me as branliest . ....