Question

If (P+Q)= 12 and PQ=14 find the value of P²+Q²

please help me​

Answer 1

Answer:

P +Q = 12

PQ=14

then p^2 + q^2 =

p^2+q^2= (p+q) ^2-2pq

(12)^2 - 2×14

144 - 28

=116