If p + q = 12 and pq = 14, then p²+ q²=
196
168
144
116
Answers
Answered by
1
Answer:
116
Step-by-step explanation:
p+q =12
on squaring
(p+q)^2 = 12^2
p^2+q^2 + 2pq=144
p^2+q^2 +2 (14)=144
p^2+q^2 =116
Answered by
1
Answer:
116 will be answer....
Step-by-step explanation:
(p+q)²=p²+q²+2pq
p²+q²+28=(12)²
p²+q²=144-28
p²+q²=116
hope it helps....
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