a gas in a cylinder undergoes change from an initial state i to a final state f shown in the figure through three paths, i-a-f, i-b-f, and i-f.

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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linear pair postulates

answer: h

step-by-step explanation: