Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation x+2x²-4=8+3x²-7x
- Equation x+(x-20)+(x+20)=90
- Equation 950:b=120-115
-
Equation sinh(x)=(e^x-e^(-x))/2
- Express {x} in terms of y where:
- -2*x-1*y=-8
- 14*x+16*y=14
- -13*x+7*y=11
- -4*x+20*y=10
-
Identical expressions
- logx- one (eight)= one
- logarithm of x minus 1(8) equally 1
- logarithm of x minus one (eight) equally one
- logx-18=1
-
Similar expressions
- logx+1(8)=1
logx-1(8)=1 equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
Given the equation
$$\log{\left(x \right)} - 8 = 1$$
$$\log{\left(x \right)} = 9$$
This equation is of the form:
By definition log
then
$$x = e^{\frac{9}{1}}$$
simplify
$$x = e^{9}$$
$$\log{\left(x \right)} - 8 = 1$$
$$\log{\left(x \right)} = 9$$
This equation is of the form:
log(v)=p
By definition log
v=e^p
then
$$x = e^{\frac{9}{1}}$$
simplify
$$x = e^{9}$$
Sum and product of roots
[src]
sum
9 e
$$e^{9}$$
=
9 e
$$e^{9}$$
product
9 e
$$e^{9}$$
=
9 e
$$e^{9}$$
exp(9)