Solve:

\((\sqrt{12.96} \div \sqrt {3.24} \times \sqrt{29.16} \div \sqrt{3.24}) + (\sqrt{12.96} \div \sqrt{3.24} \times \sqrt{ 12.96} \div \sqrt{3.24}) = ?\)

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UP Police SI (दरोगा) Official PYP (Held On: 28 Nov 2021 Shift 3)
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  1. 17
  2. 10
  3. 12
  4. 19

Answer (Detailed Solution Below)

Option 2 : 10
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UP Police SI (दरोगा) Official PYP (Held On: 2 Dec 2021 Shift 1)
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Detailed Solution

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Given:

Expression to solve: (√12.96 ÷ √3.24 × √29.16 ÷ √3.24) + (√12.96 ÷ √3.24 × √12.96 ÷ √3.24)

Formula Used:

For square roots: √a × √b = √(a × b)

For division: √a ÷ √b = √(a ÷ b)

Calculation:

First, calculate the square root of each number:

⇒ √12.96 = 3.6

⇒ √3.24 = 1.8

⇒ √29.16 = 5.4

Now, substitute these values into the expression:

(√12.96 ÷ √3.24 × √29.16 ÷ √3.24) + (√12.96 ÷ √3.24 × √12.96 ÷ √3.24)

⇒ (3.6 ÷ 1.8 × 5.4 ÷ 1.8) + (3.6 ÷ 1.8 × 3.6 ÷ 1.8)

⇒ (2 × 5.4 ÷ 1.8) + (2 × 3.6 ÷ 1.8)

 (2 × 3) + (2 × 2)

⇒ 6 + 4 = 10

The value of the expression is 10.

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