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Anit [1.1K]
2 years ago
6

which set does square 7 belong to? integers and irrational numbers irrational and real numbers real and rational numbers rationa

l and whole numbers​
Mathematics
1 answer:
IgorC [24]2 years ago
3 0

Answer:

Rational and whole numbers

Step-by-step explanation:

7x7=49 which is a whole number which automatically makes it rational!

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

We are asked to simply (2√5 + 3√2)². Using formula: (a + b)² = a² + b² + 2ab. Let's say 2√5 = a, 3√2 = b. So,

→ (a + b)² = a² + b² + 2ab

→ (2√5 + 3√2)² = (2√5)² + (3√2)² + 2(2√5)(3√2)

We are aware about the fact that root means 1/2 and square of root means 2/2 that is 1. Using this we get:

→ (2√5 + 3√2)² = 4(5) + 9(2) + 2(2√5)(3√2)

Solve the brackets, to do so first put the like terms in one box.

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Solve the rest calculations.

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