matriks (3 6) (4p bawahnya 2q) = (96), maka nilai dari p²+q²+2pq

3(4p) + 6(2q)= 96
12p + 12q = 96
12 (p+q)= 96
p+q= 96/12
p+q= 8

Nilai dr p^2 + q^2 + pq
= p^2 + 2pq + q^2
= (p+q)(p+q)
= 8 × 8
= 64 :)