Evaluate the Double Integral $\iint _ { R } ( x + 2 y ) d A$

question 78

Multiple Choice

Evaluate the double integral $\iint _ { R } ( x + 2 y ) d A$ , where $R = \{ ( x , y ) \mid 0 \leq x \leq 1,0 \leq y \leq x \}$ .

• A) \(\frac { 1 } { 4 }\)
• B). \(\frac { 1 } { 2 }\)
• C) \(\frac { 3 } { 4 }\)
• D)1
• E)\(\frac { 1 } { 6 }\)
• F) \(\frac { 1 } { 3 }\)
• G) \(\frac { 2 } { 3 }\)
• H) \(\frac { 5 } { 6 }\)

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Occurring or existing at the same time or in a similar way; corresponding.

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