Question

$(a - 1)cm 2 \sqrt{a \:cm} (a + 1)cm$
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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Length of rectangle = √a cm

breadth = √(a+1) cm

Area of rectangle = L*B

given Area = (a-1) cm²

so,

A/q, now ,

(a-1) = (√a)*(√(a+1)

(a-1) = √a(a+1)

(a-1) = √(a²+a)

squaring both sides now , we get,

(a-1)² = a²+a

a²-2a+1 = a²+a

1 = 3a

a = 1/3 (Ans)

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