If p,q,r, and s are nonzero numbers, is (p – 1)(q – 2)²(r – 3)³(s – 4)^{4} ≧ 0?

(1) q > 2 and s > 4

(2) p > 1 and r > 3

Highlight to see answers: B

Please post your explanations in the comments below!

If p,q,r, and s are nonzero numbers, is (p – 1)(q – 2)²(r – 3)³(s – 4)^{4} ≧ 0?

(1) q > 2 and s > 4

(2) p > 1 and r > 3

Highlight to see answers: B

Please post your explanations in the comments below!

(p-1)(q-2)2(r-3)3(s-4)4>0 but this equation will not be equal to 0