find the value of pq-q²+r²,if p=1.q=2 and r=-2
Answers
Answered by
1
Step-by-step explanation:
Given, p=1,q=2 and r=-2
Therefore,r²-q²+pq=(-2)²-(2)²+(1)(2)
=4-4+2
=2
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Answered by
0
Answer:
pq-q²+r²
=(1×2)-(2)²+(2)²
=2-4+4
=2+4
=6 Answer
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