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

(i) $2a+2b$

Answers (1)

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

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

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