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If p=2, q = 3 and r = 5 evaluate the following expressions (b) 4p - 3q (d) 3p - 2q + r (a) 3p + 2q (c) p - q - r = = = = If p=2, q = 3 and r = 5 evaluate the following expressions (b) 2r(p - q) (d) 4q(q - r) (a) q(p + q) (c) 3p(p - 3r) = = = = If p=2, q = 3 and r = 5 evaluate the following expressions (b) q2 + r2 (d) 3r2 - 2q2 (a) p2 + q2 (c) 2p2 - 3q2 = = = = (a) 2p + 4q (b) 5r - 3s (c) 3q - 4s If p=4, q = 2, r = 3 and s = 5, evaluate the following expressions = = = (d) 6p - 8q + 4s (e) 3r - 3p + 5q (f) -p - q + r + s = = = (a) 2p - 3q - 4r + s (b) 3s - 4p + r + q (c) p 2 + q2 If p=4, q = 2, r = 3 and s = 5, evaluate the following expressions = = = (d) r2 - s2 (e) p(q - r + s) (f) r(2p - 3q) = = = (a) 2s(3p-2q) (b) pq + rs (c) 2pr - 3rq If p=4, q = 2, r = 3 and s = 5, evaluate the following expressions = = = (d) q3 - r2 (e) s3 - p3 (f) r4 - q5 = = = |