Math, asked by drishtipandey05, 4 months ago

plz solve:
If x + y – z = 4 and x2 + y2 + z2 = 30, then find the value of xy – yz – zx.

Answers

Answered by rohitsoniyal012

1

Step-by-step explanation:

the value of xy- yz- zx=-209/4

the value of x=19/2,y=0,z=11/2

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