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Finding the Value of an Expression

iii When a = ...

Question

Question 5 (iii)

When a = 0, b = -1, find the value of the given expression:
$2 a^{2} b + 2 a b^{2} + a b$

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Solution

$2 a^{2} b + 2 a b^{2} + a b = 2 (0)^{2} (- 1) + 2 (0) (- 1)^{2} + (0) (- 1)$ [Putting a = 0, b = -1]
= 0 + 0 + 0 = 0

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Finding the Value of an Expression

Standard VII Mathematics

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