Question

The value of (2 +3√2 )2 after expanding is….​

Answer 1

Answer:

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Step-by-step explanation:

→ (2 + 3√2)2

→ (2 × 2) + (2 × 3√2)

→ 4 + 6√2

Answer 2

Given data: $(2 +3\sqrt{2} )2$

To find: Expanding the given value

Solution:

• Addition is defined as the sum of two numbers.
• According to Cubic formula, $(a+b)^{2} = a^2+b^2+2ab$.
• From the given expression we have $(2 +3\sqrt{2} )2$ .
• Expanding the given equation we get $2^{2} +(3\sqrt{2} )^{2} +2(2)(3\sqrt{2})$.
• Simplifying the value we get $4+18+12\sqrt{2}$.
• Hence the expanding of given number is $22+12\sqrt{2}$ or $2(11+6\sqrt{2})$ .