Question

p²+q² if p-q=6 and p+q=14​

Answer 1

Answer:

(p-q)² = p²+q²-2pq (p+q)²= p²+ q²+ 2pq (p-q)² + (p+q)² = 2(p²+q²) 6²+14² = 2(p²+q²) p²+q² = 232/2 = ...

Answer 2

p = 6+q

p + q = 14

2q = 8

q = 4

p = 6 + 4 = 10

p = 10

p² + q² = (10)² + (4)² = 100 + 16 = 116