find the value of 2^(4+log3base2)
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Answer:
y=6+log
3/2
⎝
⎛
3
2
1
4−
3
2
1
4−
3
2
1
⎠
⎞
Let x=
3
2
1
4−
3
2
1
4−
3
2
1
−−−
=x
⇒x=
3
2
1
4−x
⇒x=
3
2
1
4−x
⇒3
2
x=
4−x
⇒(3
2
x)
2
=4−x
⇒18x
2
+x−4=0
⇒18x
2
+9x−8x−4=0
⇒9x(2x+1)−4(2x+1)=0
⇒(9x−4)(2x+1)=0
⇒x=−
2
1
or x=
9
4
but x=
3
2
1
4−
3
2
1
can not be negative
⇒x=
9
4
⇒y=6+log
3/2
(x)=6+log
3/2
(
9
4
)
=6+log
3/2
(3/2)
−2
=6+(−2)(log
3/2
3/2)
=6−2(1)=6−2
=4
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