Math, asked by krishna254599, 1 year ago

if X + Y + Z is equal to 12 and X square + Y square + Z square is equal to 64 then find xy + Y Z plus ZX​

Answers

Answered by kalyaniprasad8
2

Answer:

Step-by-step explanation:

x+y+z=12

(x+y+z)²=12²

x²+y²+z²+2(xy+yz+zx)=144

64+2(xy+yz+xz)=144

xy+yz+xz=144-64/2

             =80/2=40


kalyaniprasad8: Mark brainliest
Answered by Anonymous
1

Answer:

Step-by-step explanation:

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