Question

Mohon bantuannya........

Answer 1

|c|= ab/ |b|

8 = -2(0) + 8(p) + 4(4)/(√(o+p²+16)
8 = (8p+16)/ √(p²+16)
8√(p²+16) = 8p +16
8√(p²+16) = 8(p+2)
√(p²+16) = p+2
p²+16= (p+2)²
p² + 16 = p² + 4p + 4
4p = 16-4= 12
p = 3