Q. 5.     When a=0,b=-1 , find the value of the given expressions:

             (iii)  2a^{2}b+2ab^{2}+ab

Answers (1)
S Sayak

\\2a^2b + 2ab^2 + ab \\= 2 \times 0^2 \times ( -1 ) + 2 \times 0 \times ( -1 )^2 + 0 \times ( -1 )\\ = 0 + 0 + 0 \\= 0

When a = 0 and b = -1 the value of the given expression 2a2b + 2ab2 + ab = 0

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