Question 67 (d)

Find the value of the given polynomial at m = 1, n = -1 and p = 2

mn + np + pm

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Solution

Given, m = 1, n = -1 and p = 2
So, putting m = 1, n = -1 and p = 2 in the given expression, we get
mn + np + pm = (1)(-1) + (-1)(2) + (2)(1) = -1 - 2 + 2 = -1

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Question 67 (a)

Find the value of the given polynomial at m = 1, n = -1 and p = 2

m + n + p

Question 67 (b)

Find the value of the given polynomial at m = 1, n = -1 and p = 2

$m^{2} + n^{2} + p^{2}$

Question 67 (c)

Find the value of the given polynomial at m = 1, n = -1 and p = 2

$m^{3} + n^{3} + p^{3}$

The product of $m n, m n p$ and $n p$ is

m^{2} n^{2} + n^{2} p^{2} + p^{2} m^{2}

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