Question

If (p+q)=12 and pq =22 then p²+q² is
*Please answer sincerely*

Answer 1

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