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  • 2 answers

Gopal Paul 1 year, 1 month ago

x²+y²+z²=(x+y+z)²-2(xy+yz+zx) Or, 83=(15)²-2(xy+yz+zx) Or, 225-83=2(xy+yz+zx) Or, 142÷2=xy+yz+zx Or, xy +yz+zx = 71 We know, x³+y³+z³-3xyz=(x+y+z) (x²+y²+z²-xy-yz-zx) Or, x³+y³+z³-3xyz=15(83-71) =15×12 =180 Therefore, x³+y³+z³-3xyz=180

Himanshu Sharma 1 year, 4 months ago

find the value of x3+y3+z3-3xyz if x2+y2+z2=83 and x+y+z=15
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Topper Student 1 year, 4 months ago

1D = 1/1M
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Om Shil Shil 1 year, 4 months ago

Kfjdjfjfjdj
  • 4 answers

Divya Bharti 1 year, 4 months ago

A combustion reaction Is a chemical reaction in which a fuel undergoes oxidation by oxdising agents,resulting in the release of energy (usually in the form of heat) .

Anshika Kumari 1 year, 4 months ago

Two or more reactant combine to form a single product. Ex- Mg+O2= Mgo

Ayush Kumar 1 year, 4 months ago

Omega

Topper Student 1 year, 4 months ago

Methane
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Gopal Paul 1 year, 4 months ago

4√16=4×4 or, 16 4√81 =4×9 or, 36 Then 16÷36=4/9 Therefore, answer:4/9
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Topper Student 1 year, 4 months ago

(-8k+5)-(5k-3)=(5k-3)-(2k+1) Solve this and you will get k
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Iqbir Iqbir 1 year, 4 months ago

Hey
  • 1 answers

Ranga Dhakshan. M 1 year, 4 months ago

Find the angle in radian through which a pendulum swings if its length is 75 cm and the tip describes an arc of length (i) 10 em (ii) 15 cm (iii) 21 cm
  • 1 answers

Ranga Dhakshan. M 1 year, 4 months ago

Find the angle in radian through which a pendulum swings if its length is 75 cm and the tip describes an arc of length (i) 10 em (ii) 15 cm (iii) 21 cm

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