If m = 1, n = 2 and p = 3, find the value of: 2mn4 - 15m2n - p

Question

KnowledgeBoat · Accepted Answer

Substituting m = 1, n = 2 and p = 3 in the given expression, we get: 2mn4 - 15m2n - p = 2(1)(2)4 - 15(1)2(2) - 3 = 2(1)(16) - 15(1)(2) - 3 = 32 - 30 - 3 ∴ 2mn4 - 15m2n - p = -1

Mathematics

If m = 1, n = 2 and p = 3, find the value of: 2mn⁴ - 15m²n - p

Algebra Basics

Answer

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If a = 2, b = 3 and c = 1, find the value of: a² + b² + c² - 2ab - 2bc - 2ca + 3abc

If p = 4, q = -3 and r = 2, find the value of: p³ + q³ - r³ - 3pqr

For x = 5 and y = 2, verify the following:
(i) (x + y)² = x² + 2xy + y²
(ii) (x - y)² = x² - 2xy + y²
(iii) x² - y² = (x + y)(x - y)
(iv) (x + y)² = (x - y)² + 4xy
(v) (x + y)³ = x³ + y³ + 3x²y + 3xy²

Mathematics

If m = 1, n = 2 and p = 3, find the value of: 2mn4 - 15m2n - p

Algebra Basics

Answer

Related Questions

If a = 2, b = 3 and c = 1, find the value of: a2 + b2 + c2 - 2ab - 2bc - 2ca + 3abc

If p = 4, q = -3 and r = 2, find the value of: p3 + q3 - r3 - 3pqr

For x = 5 and y = 2, verify the following:(i) (x + y)2 = x2 + 2xy + y2(ii) (x - y)2 = x2 - 2xy + y2(iii) x2 - y2 = (x + y)(x - y)(iv) (x + y)2 = (x - y)2 + 4xy(v) (x + y)3 = x3 + y3 + 3x2y + 3xy2

If m = 1, n = 2 and p = 3, find the value of: 2mn⁴ - 15m²n - p

If a = 2, b = 3 and c = 1, find the value of: a² + b² + c² - 2ab - 2bc - 2ca + 3abc

If p = 4, q = -3 and r = 2, find the value of: p³ + q³ - r³ - 3pqr

For x = 5 and y = 2, verify the following:
(i) (x + y)² = x² + 2xy + y²
(ii) (x - y)² = x² - 2xy + y²
(iii) x² - y² = (x + y)(x - y)
(iv) (x + y)² = (x - y)² + 4xy
(v) (x + y)³ = x³ + y³ + 3x²y + 3xy²