Mister Exam
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How to use it?
- Equation:
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Equation (x-3)*(x+4)=0
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Equation x^3-x^2-5=0
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Equation x-2(3x+2)=16
- Equation x^2-1=1+(1/2)*y
- Express {x} in terms of y where:
- -10*x+16*y=-6
- -13*x+9*y=1
- -10*x+9*y=-6
- -17*x+13*y=-3
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Identical expressions
- sqrt((x- one)/(x+ one))*((x- one)/(x+ one)- one)*(two /(x+ one)+((x- one)/(x+ one)- one)/(x- one)+ two /(x- one))/(four *(x- one))= zero
- square root of ((x minus 1) divide by (x plus 1)) multiply by ((x minus 1) divide by (x plus 1) minus 1) multiply by (2 divide by (x plus 1) plus ((x minus 1) divide by (x plus 1) minus 1) divide by (x minus 1) plus 2 divide by (x minus 1)) divide by (4 multiply by (x minus 1)) equally 0
- square root of ((x minus one) divide by (x plus one)) multiply by ((x minus one) divide by (x plus one) minus one) multiply by (two divide by (x plus one) plus ((x minus one) divide by (x plus one) minus one) divide by (x minus one) plus two divide by (x minus one)) divide by (four multiply by (x minus one)) equally zero
- √((x-1)/(x+1))*((x-1)/(x+1)-1)*(2/(x+1)+((x-1)/(x+1)-1)/(x-1)+2/(x-1))/(4*(x-1))=0
- sqrt((x-1)/(x+1))((x-1)/(x+1)-1)(2/(x+1)+((x-1)/(x+1)-1)/(x-1)+2/(x-1))/(4(x-1))=0
- sqrtx-1/x+1x-1/x+1-12/x+1+x-1/x+1-1/x-1+2/x-1/4x-1=0
- sqrt((x-1)/(x+1))*((x-1)/(x+1)-1)*(2/(x+1)+((x-1)/(x+1)-1)/(x-1)+2/(x-1))/(4*(x-1))=O
- sqrt((x-1) divide by (x+1))*((x-1) divide by (x+1)-1)*(2 divide by (x+1)+((x-1) divide by (x+1)-1) divide by (x-1)+2 divide by (x-1)) divide by (4*(x-1))=0
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Similar expressions
- sqrt((x-1)/(x+1))*((x-1)/(x+1)-1)*(2/(x+1)+((x-1)/(x+1)-1)/(x+1)+2/(x-1))/(4*(x-1))=0
- sqrt((x-1)/(x+1))*((x-1)/(x+1)-1)*(2/(x+1)+((x-1)/(x+1)-1)/(x-1)+2/(x+1))/(4*(x-1))=0
- sqrt((x+1)/(x+1))*((x-1)/(x+1)-1)*(2/(x+1)+((x-1)/(x+1)-1)/(x-1)+2/(x-1))/(4*(x-1))=0
- sqrt((x-1)/(x+1))*((x-1)/(x+1)-1)*(2/(x+1)+((x+1)/(x+1)-1)/(x-1)+2/(x-1))/(4*(x-1))=0
- sqrt((x-1)/(x+1))*((x+1)/(x+1)-1)*(2/(x+1)+((x-1)/(x+1)-1)/(x-1)+2/(x-1))/(4*(x-1))=0
- sqrt((x-1)/(x+1))*((x-1)/(x+1)-1)*(2/(x+1)+((x-1)/(x+1)+1)/(x-1)+2/(x-1))/(4*(x-1))=0
- sqrt((x-1)/(x-1))*((x-1)/(x+1)-1)*(2/(x+1)+((x-1)/(x+1)-1)/(x-1)+2/(x-1))/(4*(x-1))=0
- sqrt((x-1)/(x+1))*((x-1)/(x+1)-1)*(2/(x+1)+((x-1)/(x+1)-1)/(x-1)-2/(x-1))/(4*(x-1))=0
- sqrt((x-1)/(x+1))*((x-1)/(x+1)-1)*(2/(x+1)-((x-1)/(x+1)-1)/(x-1)+2/(x-1))/(4*(x-1))=0
- sqrt((x-1)/(x+1))*((x-1)/(x+1)+1)*(2/(x+1)+((x-1)/(x+1)-1)/(x-1)+2/(x-1))/(4*(x-1))=0
- sqrt((x-1)/(x+1))*((x-1)/(x+1)-1)*(2/(x+1)+((x-1)/(x+1)-1)/(x-1)+2/(x-1))/(4*(x+1))=0
- sqrt((x-1)/(x+1))*((x-1)/(x+1)-1)*(2/(x+1)+((x-1)/(x-1)-1)/(x-1)+2/(x-1))/(4*(x-1))=0
- sqrt((x-1)/(x+1))*((x-1)/(x-1)-1)*(2/(x+1)+((x-1)/(x+1)-1)/(x-1)+2/(x-1))/(4*(x-1))=0
- sqrt((x-1)/(x+1))*((x-1)/(x+1)-1)*(2/(x-1)+((x-1)/(x+1)-1)/(x-1)+2/(x-1))/(4*(x-1))=0
sqrt((x-1)/(x+1))*((x-1)/(x+1)-1)*(2/(x+1)+((x-1)/(x+1)-1)/(x-1)+2/(x-1))/(4*(x-1))=0 equation
The teacher will be very surprised to see your correct solution 😉
The solution
You have entered
[src]
/ x - 1 \
_______ | ----- - 1 |
/ x - 1 /x - 1 \ | 2 x + 1 2 |
/ ----- *|----- - 1|*|----- + --------- + -----|
\/ x + 1 \x + 1 / \x + 1 x - 1 x - 1/
--------------------------------------------------- = 0
4*(x - 1)
$$\frac{\sqrt{\frac{x - 1}{x + 1}} \left(\frac{x - 1}{x + 1} - 1\right) \left(\left(\frac{2}{x + 1} + \frac{\frac{x - 1}{x + 1} - 1}{x - 1}\right) + \frac{2}{x - 1}\right)}{4 \left(x - 1\right)} = 0$$
Sum and product of roots
[src]
sum
1/2
$$\frac{1}{2}$$
=
1/2
$$\frac{1}{2}$$
product
1/2
$$\frac{1}{2}$$
=
1/2
$$\frac{1}{2}$$
1/2
Numerical answer
[src]
x1 = -31928.830693793
x2 = -19212.7503918579
x3 = 31635.1513696171
x4 = 23157.9084817137
x5 = 42654.8469857089
x6 = -30233.4500192227
x7 = -20060.5670204207
x8 = 12983.0819942901
x9 = -18364.9145854652
x10 = 12134.89998034
x11 = 13831.1910724369
x12 = 32482.8407644725
x13 = 35873.5576426517
x14 = 22310.133097394
x15 = -17517.0568808202
x16 = 35025.8839304101
x17 = 15527.239474547
x18 = -25147.170922245
x19 = 36721.2281118208
x20 = -24299.4315777395
x21 = -22603.9230309016
x22 = 19766.7170438377
x23 = -33624.194212838
x24 = -40405.5194885426
x25 = -35319.5430184014
x26 = 21462.3439358311
x27 = 29939.7579166145
x28 = 18918.8748665393
x29 = 39264.2221830678
x30 = -14973.3161787592
x31 = -23451.6826341866
x32 = 20614.5392636224
x33 = 30787.4572233553
x34 = -15821.2620535457
x35 = 37568.8955598152
x36 = 17223.1185706549
x37 = 26548.8990466674
x38 = -37862.5429160925
x39 = -38710.2041406407
x40 = 16375.1968164595
x41 = -39557.8629479221
x42 = 0.5
x43 = 27396.6241720337
x44 = 18071.0098592987
x45 = 38416.5601887403
x46 = 25701.1658202732
x47 = -27690.3400484674
x48 = 24853.4236503035
x49 = -12429.2079281013
x50 = -34471.8703207225
x51 = -16669.1740174019
x52 = 33330.5257748705
x53 = 28244.341936308
x54 = -37014.8791100265
x55 = -32776.5144334328
x56 = 41807.193976581
x57 = 34178.2067309222
x58 = -31081.1426741184
x59 = -25994.9015921791
x60 = 24005.6715731732
x61 = -14125.3304603559
x62 = 40111.8817115177
x63 = 29092.0529919744
x64 = 14679.2402062512
x65 = -20908.3667588667
x66 = -29385.7523334997
x67 = -41253.1739008517
x68 = -21756.151544946
x69 = -36167.2125429658
x70 = -42100.8263121639
x71 = 40959.5389287044
x72 = -13277.297495924
x73 = -26842.6243969939
x74 = -28538.0491750051
x74 = -28538.0491750051