Sarthaks Test
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 When a = 0, b = -1, find the value of the given expressions:

(i) 2 a + 2b 

(ii) 2 a2 + b2 +1 

(iii) 2 a2b + 2ab2 +ab 

(iv) a2 + ab + 2 

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After putting the value of a and b

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