if x=-1 , y= 2 , z=-3 find the value of - x + y + z
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Answered by
1
Answer:0
Step-by-step explanation:
-X+Y+Z = -(-1)+2+(-3)
= 1+2-3
=3-3
=0
Answered by
0
given: x=1,y=2,z=-3
to find: (x+y-z)2
= X2+y2+z2+2xy-2yz-2zx {a+b+c)2
=A2+b2+X2+2ab+2bc+2ca}
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