Question

*Which of the following is the value of (√5 - √2)(√5 + √2)?*
1️⃣ √7
2️⃣ 2
3️⃣ 3
4️⃣ √21

Answer 1

Answer:

option 3

Step-by-step explanation:

hope it is helpful

Answer 2

Answer:

Given,

(√5-√2) (√5+√2)

Find the Answer to following options:-

NOW,

We know that ,

the Formula of:

(a²-b²)= (a+b) (a-b)

Using Given formula,

that we found=

(√5-√2) (5+√2)

= (√5)²-(√2)²

= 5-2

= 3

HANCE IS YOU'RE ANSWER IS,

GIVEN OPTIONS NUMER 3