Question

If p=-2,q=-1 and r=3 find tha valur of p4-q4+r3

Answer 1

${p}^{4} - {q}^{4} + {r}^{3} \: when \\ \: p \: = - 2 \: \\ q = - 1 \\ r = 3$
Or (-2)⁴ - (-1)⁴ + (3)³
Or 16 - 1 + 27
Or 16 + 26
Or 42