Question

Solve This
(√5-√2) (√5+√2)
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Answer 1

Answer:

(a-b)(a+b)= a²-b²

root5²- root 2²

5-2

=3

Step-by-step explanation:

hope it helps u

Answer 2

Answer:

To Find:

The value of (√5–√2)(√5+√2)

★Solution★

[∵ (a–b)(a+b)=a²–b²]

∴ (√5+√2)(√5–√2) can be written as:

⇒(√5)²–(√2)²

Now, as, square of any positive or negative square root of a number is equal to the number itself.

Therefore,

(5)–(2)

or 3

∴ (√5-√2) (√5+√2)=3