If (p+q)=12 and pq =22 then p²+q² is
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Answer:
p²+q²=100
Step-by-step explanation:
p+q=12
Squaring on both the sides
(p+q)²=(12)²
p²+q²+2pq=144
p²+q²+2(22)=144
p²+q²+44=144
p²+q²=144-44
p²+q²=100
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