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

             (i)  2a+2b

Answers (1)
S Sayak

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

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

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