6. When x = 1, y = 2 and z = -3, find the value of x2 + y + z2 - 3xy - xy.
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Answered by
1
Answer:
.3x=5/56x4
Explanation:
THISE IS THE ANSWER
Answered by
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(1)^2+2+(-3)^2-3×1×2-1×2
=1+2+9-6-2
=12-8
=4
Answer :- 4
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